Our City B wall-mounted mailbox is perfect for urban homes and multi-family dwellings, where space is limited. Offered in black powder coated aluminum, it will never rust; many lettering colours (for numbers and texts) are available in vinyl. Size: 7” x 14” x 3.5”. Looking for a stainless-steel wall-mounted mailbox? Check out our City S. All of Vson’s timeless mailboxes are made with expert craftsmanship and durability to last a lifetime.