Our Mitch S 316L marine grade locking wall mounted mailbox is the perfect mailbox that can house small-sized packages, it has a better rust resistance than 304 stainless steel. Offered in stainless steel, its laser-engraved lettering (for numbers and texts) is available in black. Size: 14.625” x 11” x 4.5”. The Mitch S can be transformed into a locking mailbox by adding a lock to your purchase options; the mail slot is 12″ x 3/4″. All of Vsons’s timeless mailboxes are made with expert craftsmanship and durability to last a lifetime.