UI Pro Tools Large Waterproof Vertical Locking Wall Mount House Style Mailbox / Postbox, Office Mail Manager Letter Size Locking Security Box, with Keys Black 1 Set of Post/Letters Box per order Made of quality steel with black epoxy powder coating Waterproof construction by HAWK Pro-drilled fixing hole supplied with 2 keys Approx. overall box Size: 14H x 14W x 4D (355x100x355 mm)