cork board,cork bulletin board,pin board Description of cork board: 1. The material of the surface iscork sheet.2. The material of the inner board: 7 layers strong cardboard or MDF cardboard or honeycom board.3. The material of the back face: With Galvanized zinc board4. With Aluminium frame, plastic corners, 2pcs/4pcs hooks for fixing on the wall. 1pc pen tray, 1pc eraser & 3pcs magnets.5. Package: Individual packaing with inner box. we can supply various kinds of cork board as per customer request