The 20 oz. Stainless Steel Polar Camel Tumbler offers double-wall vacuum insulation and comes with a clear lid. Its sleek design features a narrower bottom, making it compatible with most standard cup holders. With 2X the heat and cold resistance of a regular tumbler, this durable drinkware is crafted from 18/8-gauge stainless steel, also known as Type 304 Food Grade, ensuring both quality and safety for your beverages.