BPA-free inner liner in AS plastic, outer wall in durable PC with Sovranoâ„¢ snap-seal lid, hinged hook for hanging, ounce markings and brightly colored transparent interior. Finish / Material: AS Plastic, Polypropylene, Polycarbonate.20 oz. Capacity.Double Wall Construction.Ounce/ml Capacity Markings.Hinged Hook.Wide Opening Screw Top for Easy Cleaning.