Made entirely of aluminum, Salsbury U.S.P.S. approved 4300 series designer roadside mailboxes feature both a front and rear access locking door. Available in a powder coated bronze, copper, brass and nickel finish, each unit includes an outgoing mail tray, a lock with two (2) keys on each door (keyed alike) and an adjustable burgundy signal flag. Mail is deposited through a non-locking access panel on the front. Designer roadside mailboxes can be mounted on the optional bolt mounted (#4365-D) or in-ground mounted (#4385-D) aluminum pedestals, in-ground mounted aluminum deluxe posts (#4370-D and #4372-D) or a base of your choice. Designer roadside mailboxes can also be mounted in columns, masonry or walls. Designer newspaper holders (#4315-D) and non-locking thumb latches (#4388) are available as options upon request. Designer roadside mailboxes are approved for U.S.P.S. curbside mail delivery.