Double wall vacuum insulated wine tumbler keeps wine at the perfect temperature . Made of high-grade 18/8 stainless steel with a sweatproof design . Lid is made from BPA-free Eastman Tritan? copolyester . Perfect for outdoor activities and occasions . Passivated interior protects against corrosion . Product does not retain odors or flavors . Base includes nonslip grip for extra stability . Retail hangtag with product features included. Hand wash recommended (dishwasher safe, top rack) . BPA free. Keeps cold for 12 hours. 12 oz. capacity