[Material]:The mailbox is made of sturdy aluminum alloy,ensuring long term use and durability [Security Features]:Suggestion box with lock helps protect your important mail from being damaged or replaced.It comes with a lock and key for added security [Versatile Design]:The wall mounted metal lockable mailbox comes with screws for easy installation,to suit your needs [Wide Application]:Donation box is ideal for storing envelopes,newspapers etc.,it can be widely used outdoors,in farmhouses,at the front door or in apartments [Size]:Aluminum money box,ballot box for dimensions are 21.5x10.5x28.5cm,