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 1000ml, 750ml and 350ml.
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I've used other flasks before but I'm happier with my Primus and consider them the best. Its never steaming hot after 6 hours, but it maintains a nice warm drinkable temperature for 6-8 hours. Very satisfied with the item. Downside is quite a bulky compared to other 500ml.
I purchased this flask for use in my expeditions in the Mediterranean. I had another plastic one but broke it after a small hike. So I needed a metal one but not too heavy, this one is perfect. It is perfect for long term keeping your liquids warm or cold and cannot break at all. It also has a cover that prevents it from leaking if your hands are wet. I recommend this for all day use!
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