Thermos flask, also known as vacuum flask is practically what is needed by majority of us to keep your tea, water, coffee or beverage hot/cold at any given time. These product’s come with an interior design flask to help regulate the temperature of your liquid. The thermos flask is ideal for those who love having the quality taste of sweet aroma hot tea, coupled with best hot coffee, and more in the morning time.

In other words, it can also regulate the temperature of your liquid, depending on how hot or cold you want it at any point in time. You can simply carry it along, due to the fact that it is quite handy to carry along for a sip. It has the capability of keeping your drink constantly cold or hot for a longer period.

This should be another reason why it is also suitable for offices, school, hospitals and camping. Furthermore, to make the best thermos flask out of your everyday schedule, we have listed below the best of these products for your pick.

1. Thermos Stainless King Food Flask

Thermos stainless king food flask, which is approximately 14.5cm tall and 9cm wide, is basically a top-notch for those who really understand what it takes to preserve the temperature of their liquid for later use. With this you can simply be rest assured that your tea, coffee, beverage or soup can simply be kept hot or cold for a maximum of 9 hours without any atom of doubt.

In other words, it is highly built with an interior stainless steel compartment to suit up to 400g tin of chunky soup and exterior stainless steel feature, whereby creating a near-vacuum that significantly reduces the heat transfer, either by conduction or convention.

Coupled with the insulated lid double up as a bowl, that help in retaining the heat. This flask can also serve for soup carriage, due to its wide mouth and elaborate body. Specifications: Product dimension: 9.4 x 9.4 x 14.2 cm/ Weight: 360 Grams.

Pros & Cons

  • Come in varieties of colours
  • Come with serving bowl, sturdy spoon and lid
  • Wide mouth, easy to eat from
  • Sweat-proof
  • 5 years warranty
  • Sometimes the seal get stuck inside
  • Can’t be put in microwave

2. Thermos Stainless King Flask

With Thermos Raspberry Stainless Steel, you can simply predict how cold or hot your drink would be, before sipping. Due to the fact that it is capable of keeping the temperature of your hot or cold liquid for a maximum of 24 hours. With this, you don’t have to bother of been left out.

Simply design with thermos vacuum insulation technology for maximum temperature retention. In other words, your liquid or soup temperature is liable to stay longer pending when you are available. The stainless steel interior and exterior is of a high quality feature, sweat proof and cool to touch, all for durability and sustainability.

For added functionality, the twist and pour stopper, contribute to non liquid spillage when serving, even without removing the stopper. Therefore, you can take it with you anywhere, it is lightweight and can accommodate up to 1.2 litres of liquid to satisfy your taste anytime. Specifications: Product dimension: 9.4 x 10.5 x 31 cm/ Weight: 650 Grams.

Pros & Cons

  • Twist and pour stopper
  • Serving cup included
  • BPA free
  • Comes in multiple colours
  • Can’t drink directly from the flask, it stays hot for too long

3. Thermos Ultimate Series Flask

If you are considering having a flask that is built with maximum quality and style, then this Thermos Ultimate Series should be a yes. This flask is design for those who love outdoor activities, maybe spending weekend camping with family and friends. Having the thermos ultimate flask is quite recommendable for its quality and multifunctional features.

Ranging from the thermos vacuum insulation technology for maximum 24 hours temperature retention, interior and exterior stainless steel for adequate durability, protective silicone ring for sustainability and many more. You can’t beat the maximum heat performance technology it entails. Specifications: Product dimension: 23.8 x 7.6 x 7.6 cm/ Weight: 270 Grams.

Pros & Cons

  • Cool to the touch with hot liquid, sweat proof with cold
  • 5 Years warranty
  • Leak-proof
  • Can’t drink directly from it

4. Thermos Work Series Flask

The Thermos Work Series Flask, is design with an easy grip handle, large serving cup and a hard wearing bumper, and still retain its heat retention. Considering this among the best for outdoor/heavy-duty work mate can never go wrong. With the 1.2 litre capacity you can easily have enough to drink from.

Therefore, with its amazing feature, you can’t be bored out their while having a sip at the stipulated temperature needed. It is designed with stainless steel interior and exterior, twist and pour stopper, Thermos vacuum insulation technology and a durable stainless steel cup, all for proper functionality and durability to ease your day to day tasty needs. Specifications: Product dimension: 34.9 x 10.9 x 11.51 cm/ Weight: 840 Grams.

Pros & Cons

  • Keep liquid temperature for 24 hours maximum
  • 1.2 Litre capacity
  • BPA free
  • Cool to the touch with hot liquid, sweat proof with cold
  • 5 Years warranty
  • Some might find the size a bit bulky

5. Thermos Stainless King Travel Tumbler

Thermos King Travel Tumbler, is a right choice for those who cherishes a flask/mug that comes handy on a trip. This superb fancy tumbler is design to accommodate a maximum of 470 litres capacity of liquid, which approximately can take up to two cups of liquid contents.

In other words, it is capable of keeping your liquid hot for 7 hours and when cold, it can be chilled for 18 hours. Thermos king travel tumbler, is design with a drinklock sealing lid, tea bag hook and stainless steel interior and exterior for maximum usage.  Specifications: Product dimension: 19.99 x 8.31 x 8.31 cm/ Weight: 354 Grams.

Pros & Cons

  • Very easy to clean
  • Almost a life time warranty
  • Great in tea making
  • Comes in varieties of colours
  • It sometimes leaks from the top when not properly sealed

6. STANLEY Legendary Classic Vacuum Flask

Introducing Stanley Legendary Classic Vacuum Flask 1.0 Litre capacity, for its consistent and outstanding performance when it comes to keeping the temperature of your liquid intact. This stunning bottle is capable of preserving your hot or cold liquid content for maximum of 24 hours.

Highly equipped with a double-wall vacuum insulation to constantly keep your liquid temperature in proper check, coupled with the leak-proof design and the stainless steel built to withstand any bump and drops. For these reason large numbers of outdoors fans has found it incredibly robust mug to suit their daily needs.

Specifications: Product dimension: 9.7 x 11.4 x 36.2 cm/ Weight: 200 Grams

Pros & Cons

  • Dishwasher friendly
  • Thermal double-wall vacuum insulated
  • Leak-proof
  • Lifetime warranty
  • BPA free
  • Not push and pour
  • A bit robust

7. Thermos FOOGO Vacuum Insulated

With Thermos Foogo Vacuum, you are sure to enjoy every bit of hot/cold food or liquid with a good and maximum temperature. It is the perfect choice to keep food like spaghetti, soup, meatballs, fruits, liquids and many more, hot for a maximum of 5 hours and cold for 9 hours max.

Designed with a double vacuum insulated container for temperature retention. It is quite compatible, which makes it more easy to carry around in your backpack without any leakage, thanks to the gasket in the lid for a tight fit.

Furthermore, the elaborate wide mouth, makes it more easy to fill in and also to eat from without making any mess, with these, it is suitable for both kids and older folks to feed from and available in two capacities, which is the 7 ounce and the 10 ounce to choose from. Specifications: Product dimension: 13.46 x 8.89 x 19.3 cm/ Weight: 286 Grams.

Pros & Cons

  • Quality stainless steel interior and exterior
  • Easy to wash
  • Keep your product’s hot or cold for a longer period
  • Ergonomically design lid with rubber grip to prevent leakage
  • Pocket friendly
  • 100% BPA free
  • Some says the lid doesn’t screw on correctly

8. Kaave Thermos Bottle

If you are the type who always crave for flask with double integrated cups with a lid to use at work place, then Kaave Thermos Flask should be an option for you to make proper use of, both for an outdoor and indoor activities. This flask is considered as one of the best robust product anywhere in the world to take your tea, coffee and beverage with you, and also can share your drink with friends.

Highly design with 304 food safe stainless steel to fully enjoy your drink hot or cold, just the way it suits, incredible capacity of 1000 ml to ensure sufficient volume for long day.

Couple with the functional design-ergonomic handle, and the outstanding double-wall vacuum design, as a result of the copper coating, to always keep your content temperature in check for a comfortable sip. Making use of this product for your day to day functions, is certainly a plus for its 24-36 hours temperature retention.  Specifications: Product dimension: 31.6 x 15.19 x 11 cm/ Weight: 812 Grams.

Pros & Cons

  • Gives you the urge to enjoy your drink hot/cold
  • 2 integrated cups to sip from
  • Lightweight and handy
  • 1000ml Capacity
  • Not dishwasher friendly

Thermos Flask Buyer’s Guide

Purchasing a flask is quite a necessity, especially for those of you who usually enjoy having it hot or cold in the office train station or outdoors with friends. In other words, when considering one, their are necessarily things to look out for, in other to have a delicious 24 hours hot/cold drink at your disposal.


The capacity of your flask speaks volume on how you are capable of carrying a bulky or lightweight flask around in your backpack. In other words if your plan is to share your drink among other peer groups, then you can bid for the large one, otherwise the smaller product will be much advisable, due to the fact that it is quite handy and very easy to drink from without making a mess.

Heat Retention:

Having a product that does not deliver adequately to its standards, is certainly not worth it. Therefore, when considering a thermos flask, you should simply make sure it has the capacity of keeping your food or drink for a minimum of 4-5 and maximum period of 12-15 hours. With this in mind, your outdoors activities or traveling will be a smooth one.


The warranty of every product’s on the market is certainly a boost for the buyers. Some Thermos flask come with longer warranty than others. So choosing the product that come with a longer warranty is the right choice to make, should in case its functionality doesn’t meet to its expectation, you can simply return it for replacement or a refund.


This is primarily the first point of contact when it comes to securing your food or drink from spillage. Therefore, you should make sure the rubber seal are available and function properly when loosening or tightening, and it should also fit in properly for secure tightening.


What material is your flask made of? This is more important for your food and liquid temperature retention. Basically most of these products are made of quality interior and exterior stainless steel feature, coupled with the vacuum insulation for consistency.

In other words, every quality flask should be cool to the touch with hot liquid and sweat-proof with cold. But it is more advisable to stay away from the bottle or plastic flask because they seem so fragile and need extra care when utilizing them.


All been said, what is more important at this point, is to check out the reviews of every product you crave for, to see what others think about it before purchasing. With this you can’t go wrong with quality, sustainability and durability. That not withstanding, we have done a very good finding to make sure you get the best of these thermos flask without any flaws attached. Therefore, above are the best for your picks.

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