The Primus Trailbreak 0 75 Litre Vacuum Flask is a versatile stylish and rugged double walled vacuum flask with a tapered design that will keep your hot drinks hot and your cold drinks cold making it a great container to take your favourite beverages with you on the move The Trailbreak is made from high quality and durable stainless steel and as mentioned above has an unusual tapered shape this is to make it easier to hold even while wearing gloves and easier to slide into your rucksack This flask has a generous sized opening 5 75cm diameter approx to make it easy to fill and to clean It also comes with two stoppers one is a classic screw top and the other is a ClickClose stopper which has a small opening that has been designed so that you can easily drink directly out of this drinks bottle making this a fantastic flask to take with you if you are mountaineering hiking or going on a day out to enjoy the great outdoors Staff Top Tip We all enjoy having a break with our favourite hot drink especially when hiking and enjoying our favourite outdoor activities to keep your hot beverages hotter for longer just fill your flask with hot water and leave for 5 minutes then empty and fill as normal