If you want to carry your flask long distances, it’s a lightweight option – weighing 400g (14 ounces) with canteen cap, or 380g (13.4 ounces) with sports cap, while empty. However, it is durable and robust and does come with a lifetime warranty. It weighs 723g, and if the environment is your number one priority, it’s still functional enough. Happy camping. My hot water was 95.4°C at 7:56pm, and at 7:56am it was 76.3°C. That’s a temperature drop of 19.1°C after 12 hours. Meanwhile, my cold water was 4.5°C at 11:10am, and 1.5°C at 11:10pm. One of its aims is to reduce the amount of plastic going into the ocean by encouraging the use of a steel bottle, so it is proudly 100pc BPA free.

The strong stainless steel unbreakable double wall insulated material ensures that the contents is kept cold or hot for hours. The design features a integrated screw and a push button top for easy pouring. The flask is light and convenient to carry and it's easy to clean as the material wipes and washes with little effort. Vacuum Insulated Water Bottle】Thanks to the premium coated copper on the exterior of the inner wall contributes to added insulation, This vacuum insulated drink flask can keep hot for 12 hours or cold for 9+ hours, greatly protect the liquid compartment from the hot or cold outside, achieving in reducing temperature transmission in maximum You probably wouldn't describe the scientific rigour as laboratory standard – but the tests did replicate the kind of environment you'd actually use these flasks in, either filling up your tea or coffee at the start of the day, or icing water. And the results were certainly interesting. While the cold water tended to record similar temperatures across products (with the exception of Klean Kanteen, which I'll get to), there was a significant degree of difference when it came to heat retention. My conclusion is that if you really care about keeping your caffeine hot, you should choose your insulated flask wisely. HOT OR COLD FOR 32 HOURS: Fill the 1.9L thermal flask with water, coffee, tea or other drinks, whether you're at home, work or outdoors; The double-wall vacuum insulation of this thermos keeps all your drinks hot/cold for 32 hours and 160 hours with ice

How do Thermos flasks work? In short, they use a double walled construction, with the air removed from between these walls, forming a vacuum. Heat struggles to pass through the vacuum, meaning liquid stays at a roughly constant temperature. Stanley Classic Legendary Bottle 1.9L / 2.0QT Hammertone Green - Stainless Steel Thermos Flask - BPA-free - Keeps 32 Hours Hot or Cold - Dishwasher Safe - Leak-proof Lid Serves As A Cup The wide mouth means it’s also suitable for soups and smoothies to take to work, and it will certainly keep them either sufficiently cold or hot until lunchtime. It's available in a range of colours, which is fun, from canary yellow to baby blue via three shades of pink. A big part of the appeal of the Stanley is that it makes you feel like an intrepid camper, thanks to the distinctive green branding. With a lifetime warranty, the iconic flask will survive even the wildest of adventures: since it was founded in 1913, Stanley bottles have survived -70 degree winds, 4,000 foot drops, speeding bullets and category 5 hurricanes (please do not try this yourself).

EXTREMELY DURABLE: Our leak-proof thermos bottle has withstood speeding bullets, 4000 ft drops and category 5 hurricanes; The iconic style and rugged durability of this insulated bottle means it’s made to go anywhere Safe Material & High Capacity】FAPPEN Double Walled Vacuum Flask Thermo is made of food upgrade 304 stainless steel on both inside and outside walls, 100% BPA-free, which works better on anti-oxidation, corrosion resistance and temperature retention; It is a healthier choice as water bottle for tea, coffee, cold drink with ice cubes, etc.

Ideal Gift - A great way to show you care with a gift that women or men will love. This reusable stainless steel water bottle makes the perfect gift for anyone looking to increase their water intake and reduce single-use plastic. TOPAHGOD's flask for hot drinks has been carefully sprayed with powder matte which is fashionable and timeless, choose our water bottle with cover as a gift for someone special on important birthdays, weddings, Christmas, anniversaries, or other celebrations. Similarly to the likes of the Stanley, I like the aesthetic, and it also has a double wall construction to create a vacuum between the outside environment and inside liquid, helping to keep cold drinks cold or hot. The 750ml capacity holds around three cups of hot coffee (or the equivalent of a chilled bottle of white wine).