20 oz. Stainless Steel Polar Camel Tumblers feature double wall vacuum insulation with a slider lid, engraved with 'HOSA Est. 1976' graphic. The mug has a narrower bottom to fit most standard cup holders. It is 2X heat & cold resistant compared to a normal tumbler. Polar Camels are made from 18/8 gauge stainless steel (18% chromium/8% nickel) - also known as Type 304 Food Grade. Available in Lavender, Light Pink, Light Green or Light Tan.