Salsbury Industries 3710D-07GFU 4C Horizontal Mailbox, Gold Unit Dimension: 31-1/8" W x 37.5" H x 17" D Door Size: (7) 13-1/4" W x 3-1/4" H; Parcel Locker Door Size: (1) 13-1/4" W x 17-1/4" H, (1) 13-1/4" W x 20-3/4" H Double Column Include factory installed 3/4" W x 1/4" D trim and a solid rear cover Manufactured by Salsbury Industries to USPS-STD-4C Specifications