You can count on this sturdy 20 oz. Stainless Steel Tumbler to keep your hot and cold drinks well insulated for hours. It has a slightly tapered sillouette and a durable powder coat exterior. Features a high lip slider lid with room for a straw and a non-slip silicone base. Fits into most cupholders. Made of high quality stainless steel that doesn't change the taste of your beverage. Holds up to 20 oz. Fits into most cupholders Double-wall construction will keep your drink hot or cold for hours Hand wash only