Advertising Disclosure 1 Litre Thermos Flask Comparison - August 2025
7 Best 1 Litre Thermos Flask In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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| 1 Best Choice  9.8Exceptional | 2 Best Value  9.7Exceptional | 3  9.5Excellent | 4  9.3Excellent | 5  9.2Excellent | 6  9.0Excellent | 7  8.8Very Good |
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ModelThermos Stainless King 1.2L Multi-Purpose Thermos Flask - Original-Style Flask can be used as Travel Mug or Insulated Water Bottle for Daily Commute & Weekend Adventures – Matt Black, 5-Year Warranty | Model Thermos Light and Compact Flask, Stainless Steel, 1.0 L | Model THERMOcafè by THERMOS Stainless Steel Flask, Multi-colour, 1.0 Litre | Model Thermos Stainless Steel Flask, Hammertone Blue, 1 l | Model Milton Vacuum Flask for Hot Drink 1 Litre (34 oz), Stainless Steel Double Walled Insulated Water Bottle for 24 Hour Hot and Cold Drinks with Cover, Leak Proof, BPA Free, Thermosteel Flip Lid 1000 ml | Model Andes 1 Litre Stainless Steel Insulated Vacuum Travel Tea/Coffee Thermos Flask Bottle | Model Bargain Factory Water Flask, Double Walled Vacuum Insulated Flask 1l, Leakproof 24 Hours Hot and Cold Water Bottle, Durable Stainless-Steel Interior and Exterior, Silver |
BrandThermos | Brand Thermos | Brand Thermos | Brand THERMOcafé by THERMOS | Brand MILTON | Brand Andes | Brand BARGAIN FACTORY |
Reviews | Reviews | Reviews  | Reviews | Reviews | Reviews | Reviews  |
Features | ||||||
Watertight 9.9 | Watertight 9.8 | Watertight 9.8 | Watertight 9.8 | Watertight 8.9 | Watertight 8.6 | Watertight 7.6 |
Simple to clean 9.6 | Simple to clean 9.6 | Simple to clean 9.6 | Simple to clean 9.6 | Simple to clean 9.1 | Simple to clean 9.1 | Simple to clean 8.4 |
Lasts a long time 9.6 | Lasts a long time 9.6 | Lasts a long time 9.6 | Lasts a long time 9.4 | Lasts a long time 8.6 | Lasts a long time 8.6 | Lasts a long time 7.7 |
Worth the money 9.1 | Worth the money 9.6 | Worth the money 9.6 | Worth the money 9.3 | Worth the money 9.1 | Worth the money 7.9 | Worth the money 7.0 |
Simple to use 9.9 | Simple to use 9.8 | Simple to use 9.6 | Simple to use 9.6 | Simple to use 9.1 | Simple to use 8.6 | Simple to use 8.9 |
Durability 9.8 | Durability 9.8 | Durability 9.6 | Durability 9.6 | Durability 9.1 | Durability 8.6 | Durability 8.9 |
Tech Specs | ||||||
product dimensions 10 x 10 x 32 cm 660 g | product dimensions 8.5 x 8.5 x 32 cm 500 g | product dimensions 31 x 87 x 87 cm 510.01 g | product dimensions 8.7 x 8.7 x 31 cm 520 g | product dimensions 33.27 x 9.78 x 9.78 cm 530 g | product dimensions 32 x 8 x 32 cm 1 kg | product dimensions 30 x 30 x 9 cm 550 g |
item weight 659 g | item weight 500 Grams | item weight 17.99 Ounces | item weight 520 g | item weight 530 Grams | item weight 1 kg | item weight 550 g |
customer reviews4.7 4.7 out of 5 stars 21, 761 ratings 4.7 out of 5 stars | customer reviews 4.7 4.7 out of 5 stars 7, 477 ratings 4.7 out of 5 stars | customer reviews 4.6 4.6 out of 5 stars 20, 303 ratings 4.6 out of 5 stars | customer reviews 4.6 4.6 out of 5 stars 11, 441 ratings 4.6 out of 5 stars | customer reviews 4.2 4.2 out of 5 stars 93, 886 ratings 4.2 out of 5 stars | customer reviews 4.1 4.1 out of 5 stars 165 ratings 4.1 out of 5 stars | customer reviews 3.8 3.8 out of 5 stars 8 ratings 3.8 out of 5 stars |
special features Cold 24 Hours | special features - | special features - | special features Durable, Lightweight | special features - | special features Leakproof, Double Wall | special features Lightweight, Leakproof, Break Resistant, Hot 24 Hours, Double Wall |
capacity 1.2 litres | capacity - | capacity - | capacity 1000 Millilitres | capacity - | capacity 1 litres | capacity 1 litres |
material Stainless Steel | material - | material - | material Stainless Steel | material - | material Stainless Steel | material Stainless Steel |
color Matt Black | color - | color - | color Hammertone Blue | color - | color Silver | color Sliver |
item volume- | item volume 1000 Millilitres | item volume 1000 Millilitres | item volume - | item volume 1000 Millilitres | item volume - | item volume - |
care instructions- | care instructions Hand Wash Only | care instructions Hand Wash Only | care instructions - | care instructions Hand Wash Only | care instructions - | care instructions - |
batteries required- | batteries required No | batteries required No | batteries required - | batteries required No | batteries required - | batteries required - |
Available On | Available On | Available On | Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.8
1ThermosThermos Stainless King 1.2L Multi-Purpose Thermos Flask - Original-Style Flask can be used as Travel Mug or Insulated Water Bottle for Daily Commute & Weekend Adventures – Matt Black, 5-Year Warranty
9.9 Watertight9.9 Simple to use9.8 DurabilityWhy we love it
Keeps beverages hot or cold for 24 hours.
Durable stainless steel construction.
Easy pouring with twist and pour stopper.
Our ranking system
The TopChoice.co.uk Team selects top-of-the-line items from a wide selection and conducts rigorous evaluations on almost all the products available on the internet. We rank each product based on how well it matches our criteria.We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. TopChoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.
Features
Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.
Consumer Reviews
We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.
Popularity
Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
