The Hanford Cast Aluminum Twin Mailbox Post System with Fluted Base, 2 E1 Mailboxes, Mounting Brackets and Scroll Supports, Ships in 2 boxes Single post with twin mailboxes and decorative base Protective, weather-resistant black finish Add ASIN# B074MJPHYD to make this into a locking mailbox The post mounts deep down into your lawn or sidewalk and is made from solid cast aluminum Dimensions: 19L x 22W x 69H inches Mailbox dimensions: 6-3/4" W x 8-3/4" H x 19" D