NACH MB-6921BLK Bradley Steel Mailbox - Wall Mounted Post Box, Black, 10 x 4.8 x 13 inch Powder coated for rust resistance No assembly required, just mount the postbox on your wall and youre ready to receive Mail! Measuring 10 x 4.8 x 13" this mailbox can hold plenty of mail of various sizes. We at NACH are proud of our products and want you to love them as much as we do!