GIBRALTAR" MAILSAFE IILOCKING CURBSIDE MAILBOX*11.5"H x 11.6"W x 20"D*Help protect against identityand mail theft*Door conceals and weatherprotects the large incomingmail slot and key lock*Steel with a durable blacktextured powder coat finish*Large size*Mounting holes on the sideand bottom to fit mostmailbox brackets*Mounting hardware soldseparately