These 30 oz. Stainless Steel Polar Camel Tumblers features double-wall vacuum insulation with a clear lid. The tumbler has a narrower bottom to fit most standard cup holders. It is 2X heat & cold resistant compared to a normal tumblers. Polar Camels are made from 18/8 gauge stainless steel (18% chromium/8% nickel) – also known as Type 304 Food Grade.
Cleaning Instructions: Not recommended for dishwashers, hand wash only.