Simple yet strong, the Dover Mail Post serves as a perfect and warm invitation to retrieve your mail at the end of the drive. 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 paper holder. Product ships in 2 boxes (standard post MP5802BK / arm MP5810BK). Medium mailbox recommended, minimum 6 1/2 inch width. Best suited for mailboxes weighing less than 12lbs. 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.