Enjoy your favorite beverages on the move! This 24 oz. Daty Stainless Steel Tumbler is made of 18/8 stainless steel liner, with a powder finished coating that is durable. With copper coating vacuum insulation can keep your drinks hot for up to 8 hours and cold for up to 12 hours. Built-in insulated cork bottom to prevent scratching and staining on the desk. Its wide grip handle is comfortable and convenient to hold. Perfect for a coffee boost, a tea break or a water refill. Imprint drinkware only can be handwash. BPA FREE, FDA certified