Corkcicle 24oz Tumbler Classic Colors Hydration Belts & Water Bottles Gloss Turquoise : Wave goodbye to boring water bottles and coffee cups! The Corkcicle 24 oz Tumbler offers impeccable style and functional hardware youll fall in love with. This cup 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 personality!. 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.