3L/5L Pump Action Air Pot Flask with Vacuum Insulated, Safety Lock & Carry Handle for Drink, Tea & Coffee by Crystals® (3L Air Pot Flask)

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Vintage Thermos, Thermos with Cup and Cork Stopper, Vacuum bottle 1 Liter, Camping Vacuum Flask for Hot Water

Promotional Thermos, Custom-Engraved Bottle, Smart Bottle, Travel Tumbler, Colorful Thermos, Stainless Steel Drinkware, Personalized Gift At the other end of the weight spectrum comes this gorgeous newcomer from Thermos, weighing in at barely more than 200g (before there’s anything in it, of course) and topped with a ‘direct drink’ spout that’s perfect for the train to work.Vintage 1980s Aladdin Pump-A-Drink gallon dispenser, New with Box Rust Color, Cottage Core Picnic, Insulated Thermos

Keep collections to yourself or inspire other shoppers! Keep in mind that anyone can view public collections - they may also appear in recommendations and other places. Large Vintage Everest Wood Grain Thermos Coffee Tea Service Hot Cold for Travel School Work Button Pump

Our pick of the best Thermos and vacuum flasks will keep your brew hot and your lunch cool all day

Vintage Aluminum Thermos "GOLDEN DRAGON" Made in China, Old Travel Thermos for Cold and Hot Drinks, Coffee Tea Thermos, Camping Equipment Personalized Eco Friendly Bamboo Stainless Steel Tumbler. Thermos Bottle Flask with Tea Strainer Infuser, Engraved Cup Insulated Travel Mug.

Engraved Thermos Stainless King 40oz Beverage Bottle - Personalized Stainless Steel Thermos Brand Mug - Personalized Coffee Travel Mug Multi-wall insulation: Double-wall insulation creates a vacuumed layer, which is vital for keeping hot drinks hot and cold drinks cold. Some flasks include more layers for even better insulation. The 100% stainless steel construction of today’s flasks means there’s no risk of inner walls shattering when dropped.A solid performer in testing, SHO’s food flask kept water chilled for the advertised 20 hours and even managed to keep a portion of ice cream very cold, albeit a little melted, for the same period of time. Similarly, it kept hot food such as pasta piping hot over a period of 10 hours. The flask’s design also proved practical as well as stylish, with neat touches including a handy foldable spork, which stores in its lid, and a rubber carry handle. While the 530ml version is suitable for single portions, those of you looking to share may want to opt for the more roomy 800ml option.