Mail Boss 7173 is a secure mailbox designed for outdoor use, offering convenience and protection for your mail. Constructed from durable galvanized steel, it features a large internal volume to accommodate several days' worth of mail. Installation is simple and versatile, allowing mounting on an exterior wall, a freestanding post, or even a fence rail, providing flexibility for your placement needs. The mailbox includes a unique mounting bracket for quick and easy installation and comes with a mail flag to notify the postman of outgoing mail.