JosephJoseph Loop™ 500ml/17oz Stainless-steel Vacuum Insulated Water Bottle The clever design of this water bottle keeps drinks hot for up to 12 hours, cold for up to 24 hours and remains condensation-free in your bag thanks to the double-walled, vacuum-insulated 18/8 stainless steel with a heat-reflecting copper layer. - Lid stores neatly on neck of bottle - Easy to carry - Double-walled, 18/8 stainless-steel construction with a heat-reflecting copper layer - Vacuum insulation keeps drinks hot for up to 12 hours and cold for up to 24 hours - Leakproof and won't cause condensation in your bag - Capacity: 500 ml (17 fl. oz)