1. Board Size:1500L*1000Hmm2. Surface material painted magnetic steel sheet                                                                                       

 3. Cover Material:Foamed Polystyrene 11mm thickness                                                             

4. Back:Zinc Coated Steel Sheet                                                                                          

 5. Board Frame:16mm alum,thickness 1.0mm,Plastic Corner of Frame                                                                                 

 6. Pen Tray:Aluminum,thickness 1.0mm,Plastic End Cap for Pen Tray                                                                                                                                                         7. Moving Metal Frame:Epoxy Powder coated,antirust,damproof,strong8. Design:As photo,fine workmanship (Sample in our Factory)