Vevor Mailbox Through-the-Wall Drop Box with Combination Lock 12.6" x 6.22" x 16.93" Black NewThe Vevor through the wall drop box is a heavy duty steel mailbox designed for secure residential or commercial mail collection. Its rainproof front shield, drainage holes, and rubber pads help protect contents from moisture. A resettable combination lock and internal anti theft baffles add security without the need for keys. The adjustable slide design fits a range of wall thicknesses for flexible installation. A built in viewing window makes it easy