The Thermos Vacuum Insulated Water Bottle 350Ml Japan Jnr-351 Purple is a stylish and practical way to keep your water cold and refreshing. With superior double wall vacuum insulation, this lightweight and durable stainless steel bottle keeps beverages cold for up to 24 hours. Its leak-proof lid is easy to open and close, and the slim shape fits easily in your hand or a standard size cup holder. Stay hydrated on the go with this sleek and functional water bottle.