Made of heavy duty Aluminum . U.S.P.S. approved pedestal cluster box units are accessed from the front through easy opening master door panels . The durable and corrosion resistant units feature a durable powder coated finish . Includes a heavy duty five pin cylinder cam lock with a dust/rain shield and three keys . Each door also has a 1 in. high number . Includes a weather protection flap and a 11.5 in. W x 0.75 in. H mail slot . Includes at least one parcel locker which offers tenants a convenient way to receive packages on site. Comes standard with lock and keys for each individual mailbox. Does not include master lock for U.S.P.S entry; must be provided by U.S.P.S. . 30.5 in. W x 18 in. D x 48.25 in. H (160?lbs.)