The 16oz Stainless King™ Beverage Bottle from Thermos® keeps drinks hot for up to 18 hours and cold for up to 24 hours — a high-performing bottle in the Stainless King™ lineup . Double-wall vacuum insulation in 18/8 stainless steel. Twist cap lid is leak-proof when closed. Sweat-proof exterior. Fits most cup holders. Specifications: 16oz capacity | Double-wall vacuum insulated | 18/8 stainless steel | Keeps drinks hot 18 hours, cold 24 hours | Sweat-proof exterior Shop all Thermos® drinkware or view best sellers .