Our Vacuum Insulated Water Bottle maintains temperature retention with double walled 304 nonrust steel construction, ideal for sports drink or hot beverages in its 650ml large capacity design Highlight scenario requiring prolonged cold retention – from intense gyms to picnics – while maintaining delicate aesthetic for professional setting Features a leak proof wide mouthes for easy ice filling, and 201 nonrust steel exteriors with ergonomic carry handle Combines food grade with vacuum insulation technology, offering a functional nonrust steel thermal flasks that conversions seamlessly between sports gears and relaxing essential Produced for athletes, commuters, and outdoor adventurers needing sturdy hydrations solution during workouts, hikes, or extended hour