Whiteboard Type:Whiteboard Folded:No Surface:Magnetic whiteboard Surface thickness:0.15mm 0.23mm 0.45mm Structure 1:5 layers carboard+plastic back Structure 2:7 layers cardboard+zinc back Frame & pen tray:Aluminium Size:70*50cm Certification:GMC Frame thickness:11mm Hanger:Moveable Prupose:Use for marker