After Stanley, I found the Thermos – a brand which has become synonymous with insulated flasks – to come a close second in terms of heat retention.

This flask is robust enough for outdoorsy excursions, but not so bulky that you wouldn’t reach for it for everyday use – a good choice for taking it to work when you want something big enough to hold more than a cup and then some. We were impressed by its ability to keep liquids hot: it promised eight hours, but even after 12 hours, our tea was still warm. Happily, there was still some ice remaining in our cold water after 24 hours too, so this should keep drinks refreshingly chilled from morning til home time and beyond. All the flasks we tested are made of high-quality 18/8 food-grade stainless steel that resists dents, dings and scratches.It’s a good value flask with solid all-round performance, finishing a respectable sixth overall in our temperature test.

A conscientious choice when it comes to the materials used and environmental impact, this insulated flask from Ocean Bottle is largely made up of recycled stainless steel and ocean-bound plastic. The two glass-lined flasks we tested were the only flasks to fail our drop test: one shattered on the first drop, the other fell apart on the second. Most purchases from business sellers are protected by the Consumer Contract Regulations 2013 which give you the right to cancel the purchase within 14 days after the day you receive the item. LEAK PROOF DESIGN: Thanks to a tight fitting, easy pour screw top these insulated flasks have been designed to provide a leak free experience for you when hiking, camping, going to the gym, work, on the train commute or simply around home. Chilly’s has become somewhat synonymous with stylish drinkware – from dreamy ombre to abstract and floral bottles there’s enough variety to make it your own.thermos flask with two cups can fit into any kind of purposes depending on the model you choose and one can't simply emphasize the outstanding raw materials they are made of. It will fit one bottle of wine perfectly, and feels markedly lightweight for a bottle of this size (750ml). Don't leave food and drink in a flask for a long period of time Bacteria can breed and this produces gas. From there, our experts will review your request and make prompt contact with you to discuss any additional design requirements.

The silicone rings are another nice touch that make the flask feel extra sturdy, which we appreciated when out hiking, but for most outdoor adventures we’d probably opt for a flask that has a greater volume. com are made of thoughtfully selected materials with sturdy and reliable bodies for the ultimate durability.Still, for daily carry, travelling, or just sipping coffee on the trail, this is a solid and attractive flask. Need to know: Not dishwasher safe, twist-off lid, glass and plastic materials, comes with two cups, also available in 1. Every year, an estimated 8 million tons of plastic end up in our oceans, with a significant portion originating from single-use plastic bottles. 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. Although the flask is on the hefty side, a sturdy, loose-hinged metal handle makes it easy to use and carry.

Beneath the intimidating tech though, the purevis is also just an excellent flask – our water was hot after 12 hours and there were still cubes of ice in our cold water after 24 hours.With a vacuum-insulated flask set, your whole family can enjoy a fresh meal all day long - no matter where you are, or what the weather is like!