Our 30oz Stainless Steel Polar Camel water bottles feature double-wall vacuum insulation that will keep your beverage cold (or hot) for hours! They are 2X heat & cold resistant compared to 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: This is not recommended for dishwashers. Plastic pieces may be damaged It is recommended for handwashing only and to clean all parts with warm soapy water before use.