The 1.2L Stainless Steel King™ Vacuum Insulated Flask in Hammertone is constructed from a durable stainless steel design and features Thermos™ vacuum insulation, which keeps contents hot or cold for up to 24 hours. The stainless steel lid doubles as a cup, which is handy when you are out and about. The flask features an integrated handle which allows for easy carrying. The perfect take-along for work, camping or hiking.