Made Of Stainless Steel. BevGuard™ Insulation For Keeping Your Drink Ice-Cold. Push-Lock™ Technology To Easily Insert And Remove Cans Without Unscrewing The Gasket. Holds Most 12 Oz. Cans And Glass Bottles Including Beer, Soda And Sparkling Water. Cup Holder Friendly. Non-Slip Base. Meets FDA Requirements. BPA Free. Hand Wash Recommended.