MAYNE 5805B Liberty Mailbox Post- Black This New England inspired mail post perfectly captures the timeless charm of the East Coast and easily installs over a standard 4 4 wood post. These mail posts are made from 100% high-grade Polyethylene are weatherproof and have an ultra-tough construction. The Liberty Mail Post ships in 2 boxes and includes the necessary hardware pack and instructions - 4 4 wood post mailbox and mailbox mounting hardware NOT INCLUDED. Best suited for mailboxes weighing less than 16lbs. Features: Durable Mail Posts: We use 100% high-grade Polyethylene resin in the manufacturing process - making our products durable lightweight and highly shock resistant Four Season Use: These posts are resistant to high impact chemicals and extreme weather conditions - this product stands true to its four-season use tag with very little winter preparation Long Lasting Quality: The resin used to create our products contains built-in UV inhibitors that reduce the damaging effects of the sun - this ensures that your product doesn t fade preserves its color and increases its overall lifespan Easy to Use: This New England inspired mail post perfectly captures the timeless charm of the East Coast - easily installs over a standard 4 4 wood post Compatibility: Best suited for medium or large mailboxes weighing less than 16lbs minimum 7 inch width Packaging: The Liberty Mail Post ships in 2 boxes (liberty post MP5806 / arm MP5807) and includes the necessary hardware pack and instructions - 4 4 wood post mailbox and mailbox mounting hardware NOT INCLUDED The Mayne Advantage: Mayne offers a 15-year residential warranty or a 5-year commercial warranty on this mail post - Mayne has been the top choice by the home and gardening sector in North America for over a decade