This 20 oz. maroon polar camel tumblers features double-wall vacuum insulation. The mug has a narrower bottom to fit most standard cup holders. It is 2X heat & cold resistant compared to a normal tumbler. It is pre-engraved with the Eagles face with shades with the flag in the sunglasses shades part and has spiked hair. It is NOT recommended for dishwasher. The prolong exposure to a dishwasher breaks down the materials used to keep your beverages hot & cold.