YETI Colster Stainless Steel No Sweat Design Keeps drinks cold for hours The YETI Colster keeps cans and bottles so cold for so long that you'll have to rethink your understanding of a few natural laws. Standard 12 oz. cans and bottles fit like a glove - a glove with double-wall vacuum insulation. The Load-and-Lock™ Gasket secures your drink in place, and No Sweat™ Design keeps your hands dry while your drink stays cold. Stainless steel: puncture and rust- resistant Double wall vacuum insulation keeps cold drinks cold and hot drinks hot Care: Dishwasher safe. Great gift for outdoor types, great for fishing, hunting, camping, hiking, beach, vacation & more. back to school dorm ready travel vacation tumbler water soda beer juice coffee tea and more