The capacity of this drinking bottle is 473 ml / 16 oz. It is made from 60% Tritan, 37% Polypropylene, 2% Silicone and 1% Stainless Steel. It has a twist-off cap for easy drinking. This drinking bottle is BPA free and the leak-proof lid ensures a good seal. The bottle is dishwasher safe and should be washed before first use