Mayne 5830-GG Westbrook Plus Mailbox Post, Granite Unique New England styled product offering the timeless charm of the East Coast, installs easily over a standard 4x4 wood post Mayne plastic mail posts are made from 100% high quality polyethylene with built in UV inhibitors for long lasting protection from the elements Includes decorative post, mailbox support arm, and planter - Note: 4x4 wood post, mailbox, and mailbox mounting hardware NOT included. Products ships in 2 boxes (standard post MP5802B / arm plus & planter MP5830B) Small mailbox recommended. Best suited for light weight mailboxes weighing less than 7lbs. Top inset panel on the post measures 1.9in W x 25.5in H 15 Year Warranty  Residential Application, 5 Year Warranty  Commercial Application. Made in the USA.