Milton Prudent 800 ml Thermosteel Water Bottle is a double-walled, vacuum-insulated bottle made from high-quality SS 304 stainless steel. It is designed to keep beverages hot or cold for up to 24 hours. The bottle features a sleek dual-tone glossy finish, a leak-proof lid, and an ergonomic design for easy handling. Its inner copper coating enhances temperature retention, making it ideal for daily use at work, school, gym, or travel.