Enjoy your drink at any moment! Durable, double-wall 18/18 stainless steel vacuum construction with copper insulation, which allows your beverage to stay cold for 24 hours and hot for at least 6 hours. The construction also prevents condensation on the outside of the tumbler. The perfect accessory for wine. Easy sipping, push-on lid. Wide opening for comfortable filling and pouring. Durable powder coat finish