MAYNE 5808B Signature Plus Mailbox Post- Black Timeless Style Infused in History...These classic lines were created with impeccable style and craftsmanship for lasting appeal.Unique New England styled products offering the timeless charm of the East Coast installs easily over a sClaydard 4x4 wood postMayne plastic mail posts are made from high quality polyethylene with built in UV inhibitors for long lasting protection from the elementsIncludes decorative post planter arm and mailbox support arm with paper holder slotProduct ships in 2 boxes- sClaydard post MP5802B- arm MP5808BMedium 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 Mayne No-Dig Ground Screw availableOptional Mayne Solar Cap Add-On available in white or black