The size can be ordered.. We can produce many kinds of blackboard and greenboard according to custom's requirements.

Product name:Wall balance teaching blackboard

Model:TY-9179A

Feature:The surface of the board is made of Shepherd boy special panel and P3board.

            The Interlayer is made of High-strength corrugated board

             The back board is made of Galvanized plate

             The frame is made of Aluminum alloy frame

             The corner is made of ABS plastic

it is fit for teaching in school and other places.

If you want more details ,please contact me!