Keepin it classy with a stainless steel glass(y). The Corkcicle Stemless Wine Glass Premium Color collection offers impeccable style and functional hardware youll fall in love with. This special glass is made from a durable, triple-insulated stainless steel that keeps your favorite beverage cold for 9 hours and hot for 3 hours. That makes this tumbler perfect for summer days on the deck or chilly winter days at the campsite with your buddies. Say cheers to your desired temperature and a beverage with unmatched style and personality! 12 oz. capacity. Stainless steel. Vacuum-sealed and triple insulated. BPA-Free and Phthalate-Free. Features slip-proof, silicone bottom. Sliding, spill-resistant lid helps you stay tidy.