This 30 oz. Stainless Steel Polar Camel Tumblers features a double-wall insulation with a clear 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 your choice of the full color "I AM SIGNIFICANT BECASUE GOD SAYS SO!" logo or an all white "SIGNIFICANT" logo.