Made of 14 gauge steel, Salsbury Courier boxes provide a convenient means of depositing and collecting mail, documents, small packages and other items. Courier boxes feature a durable powder coated finish. Custom colors (related item #4905) are available as an option upon request. Courier boxes are equipped with a three (3) point locking mechanism with two (2) keys to protect its contents. Custom engraved self-adhesive placards (related item #4967) are also available as an option upon request. Courier boxes can withstand severe weather conditions and are suitable when a secure environment is required. Units are suitable for books, videos, e-commerce and many other applications.