Food flasks are an ingenious solution to the need for a warm meal while away from home. They keep meals hot and fresh for extended periods, making them ideal not only for those who love the outdoors but also for busy students and office workers who want to enjoy a homemade meal. The right food flask will have you savouring your lovingly prepared meals even while the world bustles around you.

The UK market offers a variety of food flasks, crafted from stainless steel or insulated plastic. Both materials provide excellent heat retention, allowing you to keep your meals warm until it’s time to eat. However, a stainless steel food flask is usually the more durable and popular choice due to its ability to resist damage and its resistance to odours and stains.

Top pick
Thermos 81141 Food Flask
Our score: 5/5

Runner-Up

Polar Gear Insulated Food Flask
Our score: 4.5/5

Honourable Mention

GOOD FOR YOU Insulated Food Flask – Cherry Red
Our score: 5/5

When looking to purchase the best food flask for your needs, you should take into consideration factors such as size, weight, and ease of cleaning. The perfect flask for you will depend on your lifestyle; for instance, someone who requires daily meals on the go might prefer a lighter and more compact food flask, whereas an adventurous hiker might opt for a larger size to ensure they can store enough sustenance for their arduous journey.

After hours of extensive research and testing, we have compiled a list of the top food flasks available in the UK to make your quest for warm and satisfying meals a breeze. Read on to find the food flask that perfectly complements your eating habits and lifestyle.

Top 10 Best Food Flasks

BrandMaterialCapacityInsulation PerformanceAdditional FeaturesWarranty/Guarantee
Thermos 81141 Food FlaskStainless Steel, Silicone, Plastic0.71 litersHot: 14 hours, Cold: 24 hoursInsulated lid doubles as serving bowl, Wide mouth for easy eating and cleaning5-year guarantee
Polar Gear Insulated Food FlaskStainless Steel500 milligramsN/A (not provided)N/A (not provided)N/A (not provided)
GOOD FOR YOU Insulated Food Flask – Cherry RedN/A (not provided)530 MillilitresHot: 9 hours, Cold: 16-24 hoursLid serves as a bowl, Included foldable spoon, BPA-free and safe materialsN/A (not provided)
Navaris Vacuum Insulated Food JarStainless Steel, PP, ABS450 MillilitresHot: 9 hours, Cold: 12 hoursLid can be used as a bowl, Wide mouth for easy eating and cleaningN/A (not provided)

1. Thermos 81141 Food Flask

Ideal for keeping your meals hot or cold while on-the-go, the Thermos 81141 Food Flask has both impressive insulation and durability.

Top pick

Overall, the Thermos 81141 Food Flask is a solid choice for anyone in need of a durable and well-insulated container to keep their food and drinks hot or cold. Its convenience, impressive temperature retention, and sturdy build make it an excellent option despite a few minor shortcomings. Whether you’re looking to enjoy a piping hot meal during your lunch break or keep your beverages chilled during a summer outing, this food flask will certainly meet your needs and deliver reliable performance.

Our score: 5/5

Having had the opportunity to use the Thermos 81141 Food Flask, I can confidently say that it’s an ideal companion for anyone on the go, whether you’re off to work or embarking on a camping adventure. This flask truly delivers impressive insulation and durability, making it a reliable choice for keeping your meals hot or cold.

First and foremost, the stainless steel construction of this flask ensures that it’s built to last. Its interior and exterior are highly durable, capable of withstanding the rigours of daily use. The vacuum insulation technology it boasts is truly remarkable, providing maximum temperature retention. I was pleasantly surprised to find that it kept my drinks hot for a whopping 14 hours and cold for an impressive 24 hours.

One feature of this food flask that I particularly appreciate is the insulated stainless steel lid, which serves a dual purpose as a convenient serving bowl. This eliminates the need for extra dishes and allows for easy and mess-free eating directly from the flask. Additionally, the wide mouth of the flask makes cleaning and filling a breeze.

However, it’s important to consider a few drawbacks of the Thermos 81141 Food Flask. Firstly, its width may not be ideal for larger meals. It’s better suited for soups, stews, or other liquid-based foods rather than full meals. Secondly, while Thermos is a well-known British brand, it’s worth noting that this particular product is manufactured in China. This might be a concern for individuals who prioritise locally-made goods. Lastly, the flask’s capacity is on the smaller side, holding 0.71 litres. If you have a larger appetite, you may find yourself needing to refill it more frequently.

The Thermos Food Flask stands out as the best choice among the other products due to its exceptional features and performance. With Thermos’ renowned vacuum insulation technology, it keeps drinks hot for an impressive 14 hours or cold for up to 24 hours. The durable stainless steel interior and exterior ensure longevity and sturdiness.

The insulated stainless steel lid serves as a convenient serving bowl, and the wide mouth allows for easy eating and cleaning. Additionally, the Thermos Food Flask comes with a 5-year guarantee, demonstrating the brand’s confidence in its product. These features combined make the Thermos Food Flask a superior choice, providing reliable temperature retention, versatile functionality, and long-lasting durability.

Based on the user reviews of the Thermos Food Flask, there are a few additional points mentioned by the users that are not explicitly stated by the manufacturer. Firstly, one user mentions that the width of the flask is a bit small and may not be suitable for a full meal, but better suited for soup or liquids. This provides insight into the flask’s practicality for different types of food.

Additionally, another user mentions that the flask is more like a hot drink flask in terms of size, which may disappoint those looking for a larger food capacity. On the positive side, multiple users express satisfaction with the flask’s ability to keep food hot for a good length of time, reinforcing the manufacturer’s claim of long-lasting temperature retention.

Overall, the user reviews provide feedback on the flask’s suitability for specific food types and its effectiveness in keeping food hot, which can be valuable information for potential buyers.


The Good:

  • Excellent temperature retention (14 hours hot, 24 hours cold)
  • Durable stainless steel construction
  • Insulated lid doubles as serving bowl

The Not So Good:

  • Narrow width, more suitable for liquids than solid meals
  • Made in China, although a traditional British brand
  • Smaller capacity at 0.71 litres

2. Polar Gear Insulated Food Flask

This food flask is ideal for those who require a multi-purpose container to keep meals and drinks hot or cold for hours.

Overall, the Polar Gear Insulated Food Flask is a brilliant choice for individuals in search of a reliable, stylish, and eco-friendly container to keep their meals and drinks hot or cold. While it may have a few minor shortcomings, its overall functionality, design, and positive environmental impact make it a worthwhile option to consider. Whether you’re looking to enjoy a steaming hot meal on your lunch break or keep your beverages refreshingly chilled during a day out, this food flask delivers on its promises and provides a practical solution for your on-the-go needs.

Our score: 4.5

Since I have used the Polar Gear Insulated Food Flask myself, I can tell with confidence that it is a great choice for anyone in need of a multipurpose container to keep their meals and drinks hot or cold for extended periods of time.

This food flask truly stands out, offering a range of benefits for individuals across various settings, be it work, school, or travel. Its triple-layer stainless steel construction not only provides excellent insulation but also adds a sleek and stylish touch with its attractive berry colour.

Beyond its visual appeal, one of the standout features of this flask is its positive impact on the environment. By reducing the need for single-use plastic packaging, it enables users to make a more sustainable choice. The 304-grade food-safe material ensures that your food and drinks are kept in a safe and hygienic environment. Furthermore, the inclusion of a spoon adds to its convenience, making it even more practical for on-the-go meals.

However, it’s important to note that while the flask claims to keep food and drinks hot or cold for up to 6 hours, some users have reported that their items did not stay hot for the entire duration. To achieve optimal results, it’s advisable to preheat the flask before filling it with hot food or drink. Additionally, a few users have found the lid cover somewhat tricky to open, and it’s crucial to keep the flask upright to avoid any potential spillage.

Compared with the Thermos Food Flask, the Polar Gear Insulated Food Flask offers a more compact capacity of 500 milligrams, making it ideal for individuals who prefer smaller portions. While the Thermos Food Flask boasts a longer temperature retention period of 14 hours for hot drinks and 24 hours for cold ones, the Polar Gear Insulated Food Flask does not provide specific information on its insulation performance.

However, both flasks feature durable stainless steel construction for reliability and longevity. While the Thermos Food Flask has the advantage of a 5-year guarantee, the Polar Gear Insulated Food Flask’s economical 2-in-1 design and emphasis on reducing single-use plastic packaging may appeal to environmentally conscious consumers. Ultimately, the choice between the two will depend on personal preferences regarding capacity, insulation needs, and environmental considerations.

Based on the user reviews of the Polar Gear Insulated Food Flask, there are a few additional points mentioned by the users that are not explicitly stated by the manufacturer. Firstly, one user mentions that preheating the flask helps to keep the soup warm from 7:30 am until 12:30 pm, highlighting the effectiveness of preheating for better insulation.

Another user mentions that the lid cannot be used as a bowl, which requires them to pack an additional bowl for soup consumption. This information provides insights into the flask’s practicality for direct eating. Additionally, some users express disappointment in the flask’s ability to keep food warm for the stated duration, reporting lukewarm soup by lunchtime.

However, users generally appreciate the ease of cleaning, leak-proof design, and overall quality of the product. These user reviews offer valuable feedback on preheating techniques, limitations in direct eating, and discrepancies in insulation duration, providing potential buyers with a more comprehensive understanding of the Polar Gear Insulated Food Flask.


The Good:

  • Multi-purpose for hot and cold food or drinks
  • Environmentally-friendly with reusable materials
  • Comes with a spoon and suitable for travel

The Not So Good:

  • May not maintain temperatures for entire duration
  • Lid cover can be challenging to open
  • Must remain upright to prevent spills

3. GOOD FOR YOU Insulated Food Flask – Cherry Red

This 530ml GOOD FOR YOU Insulated Food Flask is an excellent choice for storing and enjoying hot and cold meals on the go, thanks to its impressive temperature retention and user-friendly features.

Overall, the GOOD FOR YOU Insulated Food Flask is a reliable and user-friendly option for keeping meals hot or cold on the go. With its impressive temperature retention and convenient features like the lid doubling as a bowl and the inclusion of a foldable spoon, this flask has proven to be a convenient choice. The leak-proof and condensation-free design ensures a mess-free transport, and the stylish cherry red color adds flair. While the 530ml capacity may not be sufficient for larger portions, the flask’s performance, durability, and aesthetic appeal make it a compelling option for on-the-go individuals.

Our score: 4.5

As a daily user of the GOOD FOR YOU Insulated Food Flask, I have been more than satisfied with its ability to keep my meals at the desired temperature for extended periods. The 9-hour hot retention has proven reliable whenever I bring hot soups or pasta for lunch, while the 16 to 24-hour cold retention has been remarkably useful for picnics or camping trips with my family.

One of my favourite features of this food flask is the lid, which doubles as a bowl. This makes it quite convenient for enjoying various dishes – from soups to salads – without the need for additional containers. Additionally, the foldable spoon that fits in the lid’s compartment is handy, though I sometimes prefer using my own cutlery.

The double-wall insulation ensures there’s no leakage or condensation, which has been a game-changer when carrying this flask in my bag. I never have to worry about spills or wet surfaces, and the cherry red colour adds a touch of style to my on-the-go meal experience.

The GOOD FOR YOU Insulated Food Flask is available in a 530ml capacity, which might not suffice for someone who prefers larger portions. However, it works quite well for my needs and has quickly become an essential part of my daily routine. Its performance, convenience, and sleek design make it worth considering for anyone in need of a reliable food flask.

Compared with the Thermos Food Flask, the GOOD FOR YOU Insulated Food Flask offers a slightly larger capacity of 530 milliliters, allowing for more generous food portions. While the Thermos Food Flask boasts a longer temperature retention period of 14 hours for hot drinks and 24 hours for cold ones, the GOOD FOR YOU Insulated Food Flask still provides impressive performance, keeping food warm for up to 9 hours and cold for 16 to 24 hours.

The GOOD FOR YOU flask includes a foldable spoon and a lid that serves as a convenient bowl, enhancing its practicality. Both flasks feature durable construction, but the GOOD FOR YOU flask emphasizes safety by being free from BPA, phthalates, lead, and PVC materials.

While the Thermos Food Flask offers a 5-year guarantee, the GOOD FOR YOU flask’s specific warranty or guarantee information is not provided. Ultimately, the choice between the two will depend on personal preferences regarding capacity, insulation needs, and the inclusion of additional features.

Based on the user reviews of the GOOD FOR YOU Insulated Food Flask, there is additional information provided by the users that is not already stated by the manufacturer. Users consistently mention the flask’s ability to keep food warm for several hours, with one user specifically stating that pasta stayed warm for 6 hours.

This highlights the flask’s effectiveness in maintaining food temperature over an extended period. Users also praise the flask’s quality, sturdiness, and leak-proof design.

Additionally, the positive feedback emphasizes the flask’s nice design and attractive colors, which are not explicitly mentioned by the manufacturer. Some users appreciate the inclusion of utensils, although personal preference may lead them to use their own.

Overall, the user reviews provide insights into the flask’s performance, durability, and aesthetic appeal, enhancing the understanding of potential buyers regarding the GOOD FOR YOU Insulated Food Flask.


The Good:

  • Maintains food temperature for up to 9 hours (hot) and 16-24 hours (cold)
  • Lid serves as a bowl and contains a foldable spoon
  • Leak-proof and condensation-free design

The Not So Good:

  • Might be a bit small for larger meals
  • Foldable spoon may not suit everyone’s preference
  • Not offered in other sizes or colour options

4. Navaris Vacuum Insulated Food Jar

The Navaris Vacuum Insulated Food Jar is a versatile and reliable option for keeping your meals hot or cold on the go.

Overall, the Navaris Vacuum Insulated Food Jar is a convenient and well-designed option for individuals in need of a portable, insulated container for their meals. While it may require a bit of extra preparation to achieve optimal temperature retention, the benefits far outweigh the drawbacks. The jar’s versatility, thoughtful design, and reliable insulation make it a worthwhile purchase for anyone seeking a dependable food flask.

Onze score: 4.5

After using the Navaris Vacuum Insulated Food Jar firsthand, I can state with certainty that it is a flexible and dependable choice for keeping your meals hot or cold while you’re on the go.

The Navaris Vacuum Insulated Food Jar is a fantastic choice for individuals seeking a compact container to bring along their hot or cold meals. The double-walled insulation ensures that your food stays at the desired temperature for hours, making it an excellent companion for packed lunches or outdoor adventures. I was pleased to discover that the food jar is crafted from high-quality, BPA-free stainless steel, providing both effective insulation and peace of mind that my meal is safe from harmful chemicals.

One of the standout features of the Navaris food jar, in my opinion, is its wide-mouth design. This thoughtful design element makes it a breeze to fill, eat from, and clean the container. It adds a level of convenience to my dining experience, as I can simply unscrew the lid and enjoy my meal directly from the jar. The addition of a carry strap is another welcome touch, allowing me to easily attach the jar to my backpack or carry it around with ease.

However, it’s important to note a couple of drawbacks to the Navaris Vacuum Insulated Food Jar. Firstly, it is not suitable for dishwasher or microwave use, meaning you’ll have to wash it by hand and refrain from heating its contents in the microwave. While this may require a bit of extra effort, I found that the durability and insulation capabilities of the jar make up for this inconvenience. Secondly, some users have reported that the jar doesn’t keep food hot for as long as they would prefer. To overcome this issue, it is recommended to pre-warm the container with hot water prior to filling it with your desired hot food, as this can improve its heat retention.

Compared with the Thermos Food Flask, the Navaris Vacuum Insulated Food Jar offers a slightly smaller capacity, with options for 450 millilitres. However, it compensates with a more compact size, making it highly portable and convenient for on-the-go use.

While the Thermos Food Flask can keep drinks hot for 14 hours and cold for 24 hours, the Navaris Food Jar provides impressive insulation, keeping food hot for up to 9 hours and cold for 12 hours. The Navaris Food Jar features a wide mouth for easy filling, eating, and cleaning, similar to the Thermos Food Flask.

Both products boast durable stainless steel construction, ensuring longevity and reliability. However, the Navaris Food Jar lacks specific warranty or guarantee information. Ultimately, the choice between the two will depend on preferences for capacity, insulation duration, and the desired compactness for portable use.

Based on the user reviews of the Navaris Vacuum Insulated Food Jar, there is additional information provided by the users that is not already stated by the manufacturer. Users mention the importance of preheating the flask with hot water before use to ensure that the food stays hot for a longer duration. Some users report that the flask keeps the food warm for around 3-4 hours, while others mention it stays warm for 5-6 hours or even longer.

This provides insights into the varying insulation performance experienced by different users. One user highlights the usefulness of the flask for flight attendants who need to cook hot meals during their travels. Additionally, a few users mention that overtightening the lid can cause it to jam, requiring extra effort to open it.

Overall, the user reviews provide valuable information regarding the flask’s insulation duration, the importance of preheating, and a potential issue with the lid, enhancing the understanding of potential buyers regarding the Navaris Vacuum Insulated Food Jar.


The Good:

  • BPA-free stainless steel construction
  • Wide mouth for easy filling and cleaning
  • Comes with a carry strap for easy transportation

The Not So Good:

  • Not suitable for dishwasher or microwave use
  • Some users report issues with heat retention
  • Ideally, needs to be pre-warmed with hot water for better results

5. Kimyou Food Flask 530ml

The Kimyou Food Flask is a top-notch choice for keeping your meals warm or cold on the go, delivering practicality and style all in one package.

Overall, the Kimyou Food Flask is an absolute must-have for anyone looking to enjoy their favourite meals while on the move or leading a busy lifestyle. Its stylish design, exceptional temperature retention, and practical features make it a worthwhile investment for enhancing your mealtime experience. Whether you’re commuting, travelling, or simply need a reliable container for your everyday meals, the Kimyou Food Flask has you covered.

Onze score: 4.5

I’ve had the pleasure of using the Kimyou Food Flask, and let me tell you, it’s a top-notch choice for anyone in need of a reliable and stylish container to keep their meals warm or cold while on the go.

The Kimyou Food Flask truly excels in its temperature retention capabilities, thanks to its double-walled vacuum design. I was pleasantly surprised to find that my hot meals stayed warm for an impressive 9-12 hours, while cold foods remained perfectly chilled for a remarkable 16-24 hours. Whether I wanted to enjoy a steaming bowl of homemade soup or a refreshing salad, this flask had me covered during long days at work, school, or even on outdoor adventures.

The flask’s 100% leak-proof lid provided me with the confidence to carry it around without any worries of dripping or spilling. The double-wall insulation ensured that there was no condensation or sweating, maintaining the flask’s dry exterior. Opening the flask was a breeze, thanks to its air-pressure release system. The wide neck design allowed easy access to the interior, making thorough cleaning a simple task to avoid any lingering odours. I was pleased to find that a cleaning brush was also included, making the cleaning process even more effortless.

In terms of materials, the Kimyou Food Flask is made from eco-friendly and FDA-approved materials. The stainless steel construction is not only durable but also ensures that it is BPA-free and safe for daily use. The inclusion of a foldable spoon, a lid that doubles as a bowl, and a convenient carry bag added to the flask’s overall practicality. This multipurpose food container is suitable for individuals of all ages, from babies and toddlers to adults and older individuals.


The Good:

  • Maintains food and drink temperature for extended periods
  • Leak-proof and sweat-free design
  • Easy to fill, eat from, and clean

The Not So Good:

  • Might not hold enough food for large appetites
  • Included foldable spoon is small
  • Vent button needs care while opening

6. Citron Stainless Steel Thermal Food Jar 250ml – Blush Pink

The Citron food jar provides a reliable and stylish option for transporting food, keeping it fresh and at the perfect temperature.

Overall, if you’re in the market for a reliable and stylish food flask to transport small meals or snacks while maintaining their optimal temperature, the Citron Stainless Steel Thermal Food Jar is an excellent choice. Just keep in mind its capacity and hand-washing requirements.

Our score: 4.5

The Citron insulated food jar has become my go-to for storing small meals, side dishes, and snacks. Its double-wall insulation ensures that food stays warm for up to 6 hours and cold for up to 7 hours, meaning I can enjoy my food just as if it was freshly prepared. The leak-proof design, easy-lock system, and vertical lid opening make it not only practical but also very user-friendly, even for children.

One downside I did encounter was the limited capacity; the food jar only holds up to 250ml, so it’s best suited for smaller portions or snacks. However, I found this to be perfect for bringing a warm breakfast to work or keeping a chilled side dish for later, without taking up too much space in my bag.

One thing to note is that the Citron food jar is not dishwasher or freezer safe, and it needs to be hand-washed with warm, soapy water. Additionally, while it is made of 93% stainless steel, there is 4% plastic and 3% silicon in its composition.


The Good:

  • Excellent insulation: Keeps food warm for up to 6 hours and cold for up to 7 hours
  • Leak-proof: Secure lid ensures no spills during transport
  • Easy to open: Vertical lid opening makes it accessible for children

The Not So Good:

  • Small capacity: Holds up to 250ml of food, suitable for small meals or snacks
  • Hand wash only: Not dishwasher or freezer safe
  • Material composition: Contains 4% plastic and 3% silicon

7. WayEee Food Flask in Blue

A fantastic choice for keeping your food hot or cold for hours, the WayEee Food Flask offers great features and performance.

Overall, the WayEee Food Flask is a great choice for anyone in need of a reliable, well-designed food container to keep their meals at the right temperature. Its practical features, like the folding spoon and release air button, make it stand out, while its stainless steel construction ensures durability. With its 450ml capacity, it’s perfect for both children’s lunches and adult meals.

Our score: 4.5

The WayEee Food Flask is designed with a double insulated stainless steel structure, making sure your food stays hot or cold for 6-8 hours. This is perfect if you need to pack a lunch for work or want to keep a meal warm for your children’s school lunches. The exterior is made from durable stainless steel, ensuring your food stays well protected.

One unique feature about this food flask is the folding spoon that comes with it. The external lid is made up of food-grade material and can be used to hold soup and food, while the internal lid houses the included stainless steel folding spoon. This makes it easy to enjoy your meal without needing to bring an extra spoon along with you.

This flask also comes with a release air button, specially designed to solve any pressure-related issues that may arise due to temperature differences between the inside and outside environments. Should your flask become difficult to open, simply push the air hole button to relieve pressure, making it easier to open and enjoy your meal.


The Good:

  • Double insulated stainless steel design
  • Folding meal spoon included
  • Release air button for easy opening

The Not So Good:

  • Metal spoon may not be comfortable to some
  • Colour may differ slightly from listing photos
  • Large size might not be suitable for small bags

8. Prime Horizon Food Flask – 500ml Stainless Steel Vacuum Double Wall Jar with Folding Spoon, Leakproof and BPA Free. Free Insulated Travel Bag with Carabiner and Gift Box (Pink)

This Prime Horizon Food Flask is an excellent choice for keeping meals warm or cold while on-the-go, thanks to its durable and elegant design.

Overall, the Prime Horizon Food Flask is a great choice for keeping meals warm or cold on-the-go. With effective insulation for up to 6 hours hot and 9 hours cold, a stylish design, and a durable stainless steel construction, it provides convenience and freshness wherever you are. While it may be slightly bulky and limited to 0.5L capacity, its leak-proof functionality and premium feel make it a worthwhile investment despite the slightly higher price compared to alternatives.

Our score: 4.5

Firstly, the Prime Horizon Food Flask features a practical double-walled vacuum insulation design that effectively keeps food hot or cold for an impressive duration. Whether you’re carrying soup for lunch or chilled fruit for a snack, this flask can maintain the desired temperature for hours, providing convenience and fresh-tasting meals wherever you are.

Secondly, the elegant construction and handy folding spoon make this food flask stand out from the crowd. The stainless steel exterior has a sense of sophistication, while the foldable spoon offers a practical touch to an already functional product. Combining ease-of-use with a stylish appearance, the Prime Horizon Food Flask is perfect for both the outdoors and a work environment.

Lastly, despite the slightly bulky design and smaller 0.5l capacity, this food flask is built to last. With a high-quality stainless steel construction, leak-proof functionality, and BPA-free materials, you can trust that your food is stored safely and securely. While the price point may be slightly higher than some alternatives, the durability and premium feel make it a worthwhile investment for those seeking a reliable, stylish food flask.


The Good:

  • Effective insulation for up to 6 hours hot and 9 hours cold
  • Stylish design and convenient folding spoon
  • Durable stainless steel construction and leak-proof

The Not So Good:

  • Slightly bulky
  • Limited to 0.5l capacity
  • Price may be higher compared to some alternatives

9. Blockhütte Thermal Food Flask

An excellent choice for those seeking a durable and reliable food flask that keeps meals hot for long hours.

Overall, the Blockhütte Thermal Food Flask is an outstanding option for keeping your food hot for hours on end. Despite its slightly heavier weight and smaller capacity, the extra tools included and the flask’s reliability make it an excellent investment for those who love taking hot meals on the go.

Our score: 4.5

The Blockhütte Thermal Food Flask boasts an impressive 16-hour heat retention and a leak-proof design, making it perfect for those packed lunches or outdoor excursions. Made from high-quality 18/08 stainless steel, this food flask is not only durable but also rust-proof. The 0.73-litre capacity may be enough for some, but larger meal portions might require a bigger flask.

What sets this flask apart from others is the inclusion of a spoon and a brush, making it convenient for both eating and cleaning. The coconut bristle cleaning brush is a sustainable choice, and the food-safe plastic lid ensures that your food remains secure at all times. However, some users may miss an additional compartment for vegetables or other side dishes.


The Good:

  • 16-hour heat retention
  • Leak-proof design
  • Includes spoon and brush

The Not So Good:

  • 0.73-litre capacity may be small for some
  • No separate compartment for veggies
  • Heavier compared to other flasks

10. Thermos 183270 Stainless King Food Flask, Midnight Blue, 470 ml

A perfect choice for those seeking a reliable, functional, and attractive food flask for their on-the-go meals.

Overall, the Thermos 183270 Stainless King Food Flask is a fantastic investment for those wanting a functional, reliable, and stylish food flask to keep their meals at the perfect temperature throughout the day. With its robust build, practical features and a 5-year guarantee, this thermos is definitely worth considering when searching for the best food flask in the UK.

Our score: 4.5

The Thermos 183270 Stainless King Food Flask is an excellent companion for those who need to carry a hot meal for lunch at work, travelling, or even for outdoor adventures. With its impressive vacuum insulation technology, this thermos keeps your food hot for an extended period, or cold if you prefer chilled meals.

The flask has a sleek and robust design made from durable stainless steel material. It features an insulated lid that can double up as a bowl, ensuring that you don’t have to carry additional containers for your meal. The included full-size folding spoon is a thoughtful addition, making it convenient to eat your food straight from the flask without needing a separate utensil.

One downside to this flask is its limited capacity of 0.47 litres, but for those who don’t require a larger portion, it’s perfectly suitable. The exterior may be prone to scratches, but this does not affect the flask’s overall functionality. Cleaning the lid might be a bit challenging due to its design, but taking care while doing so will ensure it remains effective in keeping your food at the desired temperature.


The Good:

  • Keeps food hot for 9 hours or cold for 14
  • Durable stainless steel build
  • Comes with a full-size folding spoon

The Not So Good:

  • Limited to 0.47 litres capacity
  • The exterior might be prone to scratches
  • Could be challenging to clean the lid

Buyer’s guide

Alternatives to Using a Food Flask

An alternative to using a Food Flask is opting for a portable electric food warmer or a lunchbox with built-in heating capabilities. These devices are designed to heat your food on the go, eliminating the need for preheating or relying on insulation alone. Portable electric food warmers typically come with a heating element and compartments for storing different dishes. They allow you to plug into a power source, such as a car adapter or wall outlet, and warm your food to a desired temperature.

Lunchboxes with built-in heating capabilities often utilize rechargeable batteries or USB power to heat the food stored inside. They provide the convenience of heating your meal wherever you are without the need for external power sources. These alternatives offer a different approach to keeping your food warm while traveling or during the workday, providing an option for those who prefer hot meals without relying solely on insulation.

Insulation

One of the most important aspects of a good food flask is insulation. Quality insulation will ensure your food remains hot or cold for a longer period. Look for flasks with double-wall vacuum insulation, as this technology provides excellent heat retention.

Size and Capacity

The size and capacity of the food flask can impact its portability and usefulness. Consider your daily needs to ensure you get a flask that holds the appropriate amount of food.

  • Small: 300-500ml – suitable for light meals or snacks
  • Medium: 500-750ml – suitable for standard-sized meals
  • Large: 750ml-1L – suitable for larger meals or sharing

Material

Food flasks are typically made from a few main materials, each with its pros and cons:

MaterialProsCons
Stainless SteelDurable, excellent heat retentionHeavier, more expensive
PlasticLightweight, inexpensiveLess durable, less efficient insulation
GlassNon-reactive, easy to cleanFragile, heavier

Lid and Seal

It’s crucial to choose a food flask with a secure lid and leak-proof seal. Look for locking mechanisms and silicone or rubber seals to avoid any spills and keep your food contained safely.

Extra Features

Some additional features may make a food flask more convenient and practical, such as:

  • Foldable spoons: For eating on the go without carrying separate utensils
  • Divider cups: To separate different food items within the flask
  • Wide-mouth opening: To make filling, eating, and cleaning easier

Keep in mind your specific needs and preferences when selecting a food flask, and don’t forget to consider factors such as insulation, size, and material. With the right features, you’ll be sure to find the perfect food flask for your needs.

Leave a Reply

Your email address will not be published. Required fields are marked *