As One Square Bottle (Flat Type), 16.9 fl oz (500 ml), 1-4638-01, Large Size of Posted Classification: Resin Container Specifications: Mouth Inner Diameter: 0.7 inches (17 mm), Size: 3.1 x 2.0 x 6.4 inches (79 x 52 x 162 mm), Material: Body, Outer Lid: HDPE (HDPE (High-density polyethylene)