Made Of Stainless Steel With Copper Plated Inner Functions As A Tumbler And Can Cooler Vacuum Insulated Sweat-Proof Design Double Wall Construction For Insulation Of Hot Or Cold Beverages For Hours Keeps Drinks Cold Up To 24 Hours And Hot Up To 6 Hours Includes Screw-On, Spill-Resistant Flip-Top Lid And Interchangeable Cooler Rim Fits Most 12 Oz. Cans, Standard Bottles And Automotive Drink Holders Replace the Cooler Rim With The Flip-Top Lid To Use As An 11 Oz. Tumbler Meets FDA Requirements BPA Free Hand Wash Recommended