Do not miss the most irresistible wine cup of the year! Durable, powder spray color. Double-wall 18/8 grade stainless steel vacuum construction with copper insulation, which allows your 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. Perfect accessory for wine. Easy sipping, push-on lid. Wide opening for comfortable filling and pouring.