The Rubbermaid Classic Plastic Mailbox and Post Combo is made from impact resistant heavy-duty plastic with a double-walled construction. This mailbox features a rear door for access to and retrieval of mail away from street traffic. The large capacity
unit offers a spacious mailbox for high volume mail deliveries, various mail types and easily allows magazines to lay flat inside. Installation is quick, the unit easily slides over a new or existing 4 x 4 post (not included).