SmartaBox, Secure Steel Parcel Box keeps Packages and Mail Safe, Dark Gray Locking Parcel and Mail Box Maximum Parcel Size: 13.7"x7.8"x5.9" (overall 17.3"x13.7"x22.6") Bolts Securely to the Ground or to a Wall Galvanized Steel is powder coated to protect from weather and other elements Secure Locking System