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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. So, whether you're planning on travelling the world or exploring closer to home, we have what you need for your next ADVENTURE. My gripe with this particular genuine Thermos brand flask (watch out for fakes) is that it is plastic on the outside and glass inside. The cups are plastic, too, rather than stainless steel. But like the Stanley it is BPA-free, and it kept liquids hotter than the other Thermos flasks I tried, which were composed primarily of stainless steel. It weighs 890g, which is lightweight considering its vast capacity. 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. Flasks are more 'smell prone' than 'stain prone' – none of the flasks we tested had any staining after cleaning, but some retained a faint coffee smell.
It comes with two cups with proper handles, so it's a great tea flask. It works well for families and small groups, making 5 or so generous servings. The twist stopper has a cunning hidden compartment in which to store milk or sugar; which I liked.Key attributes: Leakproof, practical design enables one-handed drinking, wide mouth for easy filling and cleaning This flask has a familiar design with a classic ‘pop’ stopper that makes for easy pouring. With cheap, inferior flasks these are often prone to leaking but with this Outwell version the component seems well-made and reliable. It certainly didn’t leak on test. It’s a simple, inexpensive flask that makes use of a classic tried and tested design. The wide mouth makes the flask easy to fill and clean, while the cup’s plastic liner ensures you won’t burn your mouth. On the other hand, it is fairly bulky for a 750ml flask, with a small cup compared to some other designs. The external finish is also a bit slippery and prone to scratching. Full Specifications
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. Founded in 1997, we’re the UK's largest dedicated outdoor clothing and equipment retailer and have been offering our customers unbeatable VALUE for money and outstanding quality for 25 years. Unlike many flasks, it is also dishwasher safe – a big bonus in my book. The lid doubles up as a decent-sized cup and provides extra insulation; a handle on the side makes it easy to lug around and grip while battling the elements, but there’s no chance of leakage. While primarily made up of stainless steel, some parts are plastic – but it is BPA-free (an industrial chemical used in water bottles and similar that many people prefer to avoid). Capacity: 1 litre (33oz) / Temperature test: 0 hrs 90°c, 90 mins 85.5°c, 4 hrs 79.1°c, 6 hrs 74.3°c, 8 hrs 69.9°c, 24 hrs 44.5°c / Made of food grade 18/8 stainless steel that doesn’t impart or retain flavour / Lid doubles as a mug ensuring you always have a cup handy / Silicon sleeve / Drinking stopper opens and closes with a slight turn / Additional standard stopper for optimum heat retention included / Tapered design for easier handling / Large mouth opening is easy to fill and clean. BUY NOW: PRIMUSEQUIPMENT.COM Capacity: 600ml (20.3oz) / Temperature test: 0 hrs 90°c, 90 mins 79.6°c, 4 hrs 66.5°c, 6 hrs 58.3°c, 8 hrs 51.6°c, 24 hrs 22.2°c / Stainless steel construction / Wide mouth opening /We examined each flask and its pouring mechanism and attachments for faults. We penalised flasks that had faults affecting their usability. Capacity: 500ml / Temperature test: 0 hrs 90°c, 90 mins 89.3°c, 4 hrs 82.8°c, 6 hrs 79.2°c, 8 hrs 75.3°c, 24 hrs 50.9°c / Stainless steel interior and exterior / Cool-touch, no-slip finish / Protective silicone rings for ultimate durability / Two part stopper for smooth pouring. BUY NOW: THERMOS.CO.UK 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. Another advantage of stainless steel it that does not leave a metallic taste in the mouth or residual odours. However, it is always worth cleaning your flask thoroughly with hot soapy water between uses. Or even What are the Top 10 affordable (best budget, best cheap, or even best expensive!!!) 2 Cup Thermos Flask available? Etc.
Textured coatings are useful – it’s a nice touch to have a handle on a drinks flask but generally, for a one-litre flask, it’s more useful to have a textured coating that provides grip. Since the American manufacturer, Thermos, came to fame, the term has become slang for vacuum-insulated flasks. Although the terms are largely interchangeable, the original scientific phrasing is 'vacuum flask'. Capacity: 1 litre (33.8oz) / Temperature test: 0 hrs 90°c, 90 mins 86.5°c, 4 hrs 81.6°c, 6 hrs 78.1°c, 8 hrs 74.7°c, 24 hrs 53.7°c / Plastic-free stainless steel and silicone construction / 18/8 food-grade stainless steel interior doesn’t retain or impart flavours / Integrated double-wall construction cup / Twist and pour cap with 360° pour-through design / Internal Thread Design for increased thermal performance / Durable Klean Coat finish. BUY NOW: KLEANKANTEEN.CO.UKThe original and, judging from the results of our temperature test, still the best. This stainless steel flask is very durable, with a silicone base to protect against dents. The two-part stopper closes securely yet pours easily and has an integrated cup. In terms of outright heat-holding performance for up to 8 hours, nothing can touch the Ultimate Series. It was the best-performing flask we tested overall. It is relatively lightweight too. And if you’re concerned that the 500ml capacity will be too small, it’s worth noting that Thermos also makes a larger 900ml version. Full Specifications
To help you choose which one to invest in, I tried and tested a selection of flasks that promise to keep your beverages colder and hotter for longer, measuring how much heat was retained or how cool they kept respectively over a period of 12 hours. FUNCTIONAL DESIGN + CLEVER ENGINEERING - The body is entirely made of high-quality 304 food safe stainless steel - Incredible capacity of 1000 ml ensures sufficient volume for long days. The cups are a joy to hold in the hand thanks to the ergonomic handle. Dimensions: Body Ø 11 cm x 30.8 cm height. Weight: 790g.
KEEP YOUR DRINKS HOTTER FOR LONGER: Made from 304 stainless steel and BPA Free food grade plastic this double walled vacuum insulated flask is designed to keep your tea, coffee or soup hot for up to 12 hours or keep chilled drinks including wine, beer or carbonated drinks cool for up to 6 hours.
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