The Summit BCo Mono Reusable Thermal Bottle Flask 500ml is a stylish sleek black bottle that will ensure to keep you hydrated. Forged from high quality stainless steel, the innovative double walled thermal construction keeps beverages hot for up to 24 hours or cold for up to 12 hours. This bottle features a weighted base and leakproof silicone sealed lid that prevents tipping and spills. With a universal design that fits most cup holders, this product is an ideal choice for camping trips, commutes, or everyday use. Features and Specifications: Reusable bottle flask, Double wall stainless steel construction, Leakproof silicone sealed lid, Fits most cup holders.