The Rockport Single mail post is a great fit for mailboxes with front and back doors to avoid walking onto the street to retrieve your mail. 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 high quality 100% polyethylene with built in UV inhibitors for long lasting protection from the elements. Includes decorative post and mailbox support arm with built-in paper holder slot. Ships in 2 boxes (standard post MP5802BK / arm MP5809BK). Medium mailbox recommended, minimum 6 1/2 inch width. Best suited for mailboxes weighing less than 8lbs. Note: 4x4 wood post, mailbox, and mailbox mounting hardware NOT included with any Mayne mail posts. 15 Year Warranty – Residential Application, 5 Year Warranty – Commercial Application. Optional Mayne No-Dig Ground Screw available. Optional Mayne Solar Cap Add-On available in white or black. For further questions please contact MAYNE INC at 1-866-363-8834. Made in the USA.