Profirst Mail PM 120 letterbox Black – This elegant and slim mailbox is ideal for installing on an outside wall at your home. Its unique functional design also makes it perfect for multi-occupancy, e.g., flats, apartments, hotels, and corporate buildings. Its ability to be installed side by side or on top of each other allows multiple mailboxes to be fitted into the same space, therefore saving you space. It is made from high-quality grade steel, secured by a key lock with 2 keys. Installation instructions are included together with fixing screws.