This sport water bottle made of stainless steel features double-wall, vacuum-insulated construction, plastic sprayed outer walled anti-scratch and holds up to 18 oz. of your favorite beverage. It will keep your drinks cold for up to 24 hours or hot for up to 12 hours. 18 oz., 22 oz., 25 oz., 32 oz. and 40 oz. are available. Perfect for brand advertising, ideal gift for travelling, mountaineering and camping.