The Charleston Plus shares the stately look of our Liberty mail post, but in a slightly smaller scale. This post has quickly become a favorite. Unique New England styled product offering the timeless charm of the East Coast, installs easily over a standard 4x4 wood post. These 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. Products ships in 2 boxes. Medium mailbox recommended, minimum 6 1/4 inch width. Best suited for mailboxes weighing less than 14lbs. Note: 4x4 wood post, mailbox, and mailbox mounting hardware NOT included. 15 Year Warranty - Residential Application, 5 Year Warranty - Commercial Application. Optional No-Dig Ground Screw available. Made in the USA.