Imprint Method: IMPRINTED - Design features auto-sealing method for easy opening and a more comfortable drinking experience. Wide opening for comfortable filling and pouring. Durable, double-wall stainless steel vacuum construction with copper insulation, which allows your beverage to stay cold for 48 hours and hot for at least 12 hours with the auto-seal, spill resistant lid. Leed's Exclusive. 22oz. Drinkware is 1625-80.