5810W 6-1/2 Width White Polyethylene Dover Mailbox Post A Statement of Pride...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 products offering the timeless charm of the East Coast installs easily over a sClaydard 4x4 wood post plastic mail posts are made from high quality polyethylene with built in UV inhibitors for long lasting protection from the elementsIncludes decorative post and mailbox support arm with paper holderProduct ships in 2 boxes- sClaydard post MP5802W- arm MP5810WMedium mailbox recommended minimum 6 1-2 inch width. Best suited for mailboxes weighing less than 14lbs.Note: 4x4 wood post mailbox and mailbox mounting hardware NOT included.15-year limited warranty. Optional No-Dig Ground Screw availableOptional Solar Cap Add-On available in white or black