Features: 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. Features a leak proof wide mouthes for easy ice filling, and scratch resistant 201 nonrust steel exteriors with ergonomic carry handle. Produced for athletes, commuters, and outdoor adventurers needing durable hydrations solution during workouts, hikes, or extended office hour. Excels in scenario requiring prolonged cold retention – from intense gyms to picnics – while maintaining delicate aesthetic for professional setting. Combines food grade safety with vacuum insulation technology, offering a functional nonrust steel thermal flasks that conversions seamlessly between sports gear and relaxing lifestyle essential. Specifications: Component: 304 nonrust steel inner, 201 nonrust steel outer Size:Approx.9x17.7cm/3.54x6.97inches Color: Black/ Blue/ /Pink/ White/ Green Capacity:650ml Package Includes: 1Pc Vacuum Insulated Water Bottle note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.