The body is all stainless steel, vacuum insulated, a portable pot, lightweight, with a simple structure and a handle. It keeps hot or cold water warm/cold for the day, and carbonated water can maintain pressure for several hours. 〇 All stainless steel, vacuum insulated construction. The screw cap has a handle, making it convenient to carry. 〇 Heat retention: 70°C (158°F) or higher (6 hours) / Cold retention: 10°C (50°F) or lower (6 hours) 〇 Size: 0.5L (500ml) Outer diameter (body, lid) 7.2cm x height 28cm, Inner diameter: 6x20cm Weight: 300g 〇 Uses - Cold/Hot Water: The outside maintains room temperature even when hot water or ice is added. Keeps cold/warm from morning to evening. Does not keep overnight. - Carbonated drinks, beer, sparkling sake, etc.: Maintains pressure for several hours. No safety valve. 〇 Usage Precautions: Washable. Avoid using a dishwasher. 〇 Manufactured by Living Co..Ltd China - Color: Light Yellow - Cap Color: Black - Material: Stainless Steel - Type: Insulated Water Bottle - Design: Sleek cylindrical shape Thank you for viewing.