Come and see our amazing products. The Stainless Steel wine tumblers are double wall and vacuum insulated. The Double-Wall Vacuum insulated thermal technology provide a good ability of insulation, which is good for keeping your drinks warm or cold for a long time and protects your hands against the temperature of the drinkings inside the tumbler cup, so you can use the insulated wine tumbler in any season.The insulated stainless steel wine glasses are made of 18/8 food grade 304 stainless steel, with powder coated finish,don't worry about peeling or rusting.Light weight and unbreakable,also easy to wash and carry.The insulated wine tumbler can be used as wine cups, champagne cups, water cup or sports fan travel mugs, and are suitable for storing any drinkings. Pls confirm with us about the packing info, stock color and exact production time before placing your order