These hatches provide an attractive and economical way to access horizontal or vertical storage areas. Watertight lid overlapping frame. Two separate seals on frame and lid. No visible fasteners. Corrosion-free integrated hinge. Hinges allow 180 degrees opening. ID 9-1/2" x 19-5/8" OD 13" x 23-1/4" Size 13" x 24" Color Polar White