Holds 750ml Double wall design Made from 18/8 stainless steel Keeps drinks cold for up to 24 hours Keeps drinks hot for up to 12 hours. Eco-friendly. BPA free Meet your hydration goals with a Oasis Insulated Drink Bottle 750ml Hammertone Grey. Made with 18/8 stainless steel and featuring a double wall vacuum design that keeps your drinks chilled for up to 24 hours, the Oasis Insulated Drink Bottle 750ml Hammertone Grey is the perfect companion for daily life. Also suitable for hot drinks, the Oasis Insulated Drink Bottle 750ml Hammertone Grey will keep your tea or coffee hot for up to 12 hours and the silicone seal within the twist cap prevents leaks so that you can go about your day worry free. The Oasis Insulated Drink Bottle 750ml is also available in a range of colours and sizes.