Allux 5000 is a stylish large capacity wall mount locking mailbox that features a decorative curved top and bottom side. The 5000 is made from black powder coated steel and features a gray color incoming mail flap. Mail slot dimensions: 11″ x 1.5″ x 5″ Mail retrieval door opening: 7.5″ H x 11″ W x 6.5″ D