Durable, convenient and rust-resistant, the Rubbermaid Mailbox & Post Combo is the best way to get and send mail. This classic post mailbox comes with a sturdy plastic post for roadside placement. When outgoing mail"s inside, raise the red flag to alert the postman, who will appreciate this mailbox also. Best of all, you can check for mail using the front or back openings on this post mount mailbox, making it twice as convenient for you. Some assembly required.