This 20 oz. Stainless Steel Polar Camel Tumbler 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 a normal tumblers. Polar Camels are made from 18/8 gauge stainless steel. Cumberland Beagle Club logo laser engraved on front. Optional name laser engraved on back of cup.