Reinforced rib design with embossed side and door panels for name and number. Manufactured from hot-dipped galvanized steel. Finished with a baked-on polyester enamel and clear polyester coating. Individually packaged in appealing carton. Exceeds U.S. Post Office specifications. Dimensions: 19" L. x 6-3/4" W. x 8-3/4" H. Gray.