Feature:1. Narrow Slot: The hanging mailbox's narrow slot reduces the danger of mail being removed without a key2. 2 Keys: The locking mailbox is equipped with 2 keys, which can effectively protect the safety of your letters when installed outdoors3. Small and Compact: The hanging mailbox is small and compact, easy to use and doesn't take up much space4. Stainless Steel Material: The mail box is made of stainless steel material, which is wear resistant and durable, suitable for your long term use5. Easy Installation: The mailboxes for outside is also equipped with plastic expansion tubes, screws, and rubber pads for your convenienceSpecification:Item Type: Mail BoxMaterial: Stainless SteelWeight: Approx. 1578g / 55.7oz.Package List:1 x Mail Box 4 x Plastic Expansion Tube4 x Screws4 x Rubber Pads2 x Keys