The Nordrok Twin Cup Thermal Flask 1000 is made from durable, food grade stainless steel. With 1000ml capacity and double wall insulating construction, it will keep your drinks or food hot for up to 12 hours. The push button screw cap design means it is leak resistant and prevents accidental spills. The outer protective screw cap covers double as two 200ml drinking cups. The flask comes with an integral carry handle, along with an adjustable shoulder strap.