Door Drop Box for Mail, Rent, Deposit, and Night Key – Through The Door Locking Steel Mailbox with Rear Access (Beige Cream) Description:🔑 DOOR-MOUNT BOX: This large mailbox can be mounted on office doors or house doors up to up to 1.75″ thick. Simply cut out a rectangular shape and follow the instructions in the manual. (Note: this locked drop box is NOT for walls.)🔑 REAR DOOR WITH LOCK: The drop box can only be opened in the back with a designated key. The mail slot on the front is only designed for receiving items and cannot be pried open.🔑 STORAGE SPACE: The mailbox has an exterior dimension of 9.75” (L) x 4.25” (W) x 14.75” (H), and the mail slot measures 8.6» x 2.5», giving it plenty of space for receiving and securing small-sized items.🔑 DURABLE MATERIAL: Made of heavy-duty steel, this dropbox provides great security and protection for valuable and private items, including mails, letters, rents, keys, and many small things.🔑 HARDWARE INCLUDED: This through-the-door drop box contains pre-drilled holes and hardware so you can mount the mail box easily and start using it immediately with no hassles.