The Highlander Duroflask 500ml Camping Flask is made to make the lives of trekkers and explorers easier. The camping flask is made using durable stainless-steel material that enhances its longevity. To ensure that warm water doesn’t accidentally leak the flask has a leak-proof stopper system. As the warmth doesn’t sustain in cold terrains this 500ml flask is double walled that helps keep the liquid hot for a long time., Double walled. Easy pour/leakproof stopper system., Screw lid doubles as drinking cup. Material Stainless steel., Size 24x7x7. Capacity 500ml., ,