Sports Insulated Stainless Steel Water Bottle

Double-walled and vacuum-sealed. Capacity is 500ml/18oz. Interior is made of rust-resistant stainless steel 304, and exterior is made of durable stainless steel 201. Food-grade silicone seal and food grade PP. The sealing effect super, No leakage, environmental health and safety without peculiar smell. Perfect for campers, hikers, at the gym, yoga class, at work, home or anywhere you need to stay hydrated. Fits in most all car holders and is ergonomically designed for comfort.