20 oz. Stainless Steel Polar Camel Travel Mugs feature doubl-wall, vacuum insulation with a clear, slider lid. They are 2X heat and cold resistant compared to other tumblers. Polar Camels are made from 18/8 gaugestainless steel (18% chromium/8% nickel) also known as type 304 Food Grade
 
Not recommended for dishwashers, hand wash only.