Made of heavy duty aluminum, Salsbury 3300 series U.S.P.S. approved Cluster Box Units (CBU's) are accessed from the front through two (2) opening master door panels and feature a durable powder coated finish. The durable and corrosion resistant units feature eight (8) individually numbered mailbox compartments and one (1) fully integrated parcel locker and a matching pedestal. Each door includes a heavy duty five (5) pin cylinder cam lock with a dust/rain shield and three (3) keys. One additional compartment in each unit is labeled Outgoing Mail and includes a weather protection flap and an 11-3/4 in. W x 3/4 in. mail slot. Minor assembly is required. Salsbury Industries is officially licensed and authorized by the U.S. Postal Service to manufacture Cluster Box Units (CBU's). Color: Black.