Do not miss the most trendy tumbler of the year. Durable, double-wall stainless steel vacuum construction, which allows your beverage to stay cold for 15 hours and at least 5 hours for hot beverages. The construction also prevents condensation on the outside of the tumbler. Push-on lid with anti-spill slider closure. Wide opening for comfortable filling and pouring. Design features the geometric bottom with grooves. 20oz.