Our 500ml Stainless Steel Bottle is perfect for drinking your water at home or on the go. It is made from high-quality stainless steel and is 100% BPA free. Our water bottles are double wall insulated, so you can rest assured that your water will stay cold for up to 24 hours or hot for up to 12 hours. The double wall insulation also makes them perfect for packing your water on long trips. Stay hydrated and keep your body working at its optimum level by drinking pure and sanitary water every day.