20 oz. Stainless Steel Polar Camel Travel Mugs feature double-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 gauge stainless steel (18% chromium/8% nickel). Polar Camel High Endurance Drinkware is engineered with double-wall, vacuum-insulated construction to provide superior heat and cold retention. The powder-coated finishes deliver rugged durability in a wide selection of colours and are also available in white or stainless steel for full-colour personalization. Your personalized Polar Camel will become your favourite drinkware and will last for years to come. Colour: Yellow