The Joseph Joseph Loop 500ml Stainless-steel Vacuum Insulated Water Bottle is a well-designed product that keeps drinks hot or cold for extended periods while remaining condensation-free. Its double-walled, vacuum-insulated 18/8 stainless steel with a heat-ref technology makes it durable and reliable. It can keep drinks hot for up to 12 hours and cold for up to 24 hours. Overall, it is a great water bottle that will help you stay hydrated throughout the day, whether you are at home, work, or on the go. A clever design that keeps drinks hot for up to 12 hours, cold for up to 24 hours 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)