[Material]:This mailbox is made from premium aluminum alloy,ensuring its durability and longevity.It is sturdy enough to withstand long time use [Blank Design]:The blank design of this drop box allows you to customize it with your company or building information as needed,providing great convenience [Large Capacity]:This postbox has a large capacity and can accommodate a large number of mail,newspapers,and suggestions [Size]:The size of the suggest box is 215mmx105mmx285mm,not occupying too much space.It can be installed in residential buildings,apartments,and community units [With Lock]:This collection box has a lock design to ensure the safe of mail,newspapers,and suggestions,protect against loss