aluminum mailbox- own the mold ourself specification: Size:260×90×410mm Material:casting Aluminium and steel Rust Resistan Quality cylinder lock with 2 keys provided Finish and color:powder coating,different colors available according to RAL number Packing size:270x95x420mm Carton size: 490x430x280mm 5PCS NW/GW:9/10.5kg Material: Front:casting aluminium;Back:cold rolled sheet 20"FCL:2400pcs