The Primus Vacuum Flask is a double walled vacuum insulated flask with a powder coated stainless steel finish. The stainless steel inner is BPA free and easy to clean. The lid doubles as a cup and is double walled with a plastic liner so will keep your brew warm as you drink it.
The Vacuum flask comes with a Clickclose closure which seals with a pop up button. This is quick and easy to operate one handed, even with gloves and ensures no leaks. To get the best performance from you flask Primus recommend that you pre-heat your flask for 5 mins with water at 95°C.
The Primus Vacuum Flask is also avliable in 750ml, 500ml and 350ml.
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I bought the one-liter version, which is quite large, but I have to say, it's impressive. Its heat-retaining capabilities are awesome, and it keeps liquids warm for many, many hours, even in colder weather. The top works as a cup, and drinks are easily poured due to the 'pop-up' opening.
At first, I was a little concerned about the outer coating, which by the way is awesome. I feared that it might scratch easily, but after some use in the outdoors, I can conclude that it does not. It's also very sturdy, as it suffered only a minor dent after I accidentally dropped it down a small ledge.
All in all is it a great valued product, and if you're looking to buy a thermos, I would definitely recommend this one.
This is an excellent flask, well worth the money. With the suggested pre-heating (5 mins) the flask keeps liquids very hot- I was able to make perfect tea with water 12hrs after filling (summer temperatures). It is very well made, seals are of a very high quality and plastics appear to be durable. The powder coat finish makes the flask and cup extremely tactile and should help keep it looking new for longer. I opted for the 1L size (only marginally taller than the 750 ml) and it has plenty of capacity for a full day walking. Highly recommended.
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Large insulated flask for cold or hot. 24 hrs hot. 90 hrs iced.