Do not miss the most trendy tumbler of the year. Durable double-wall stainless steel vacuum construction with copper insulation which allows your cold beverage to stay cold for 24 hours and at least 6 hours for hot beverages. The construction also prevents condensation on the outside of the tumbler. Easy sipping push-on lid. Wide opening for comfortable filling and pouring. Design features the spinning geometric bottom. Leed's Exclusive. 30oz. Material- Stainless Steel with Stainless Steel liner.