NACH MB-6915BLK Envelope Mailbox - Wall Mounted Post Box, Black, 14.1 x 3.5 x 6.5 inch Powder-Coated Paint for Maximum Rust Protection No assembly required, just mount the postbox on your wall and youre ready to receive Mail! Measuring 14.1 x 3.5 x 6.5" 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!