This 20 oz. Stainless Steel Polar Camel Tumblers features double-wall vacuum insulation with a slider lid. The mug has a narrower bottom to fit most standard cup holders. It is 2X heat & cold resistant compared to normal tumblers. Polar Camels are made from 18/8-gauge stainless steel . Features the full color" I AM SIGNIFICANT BECAUSE GOD SAYS SO!" logo.