1)Frame :Aluminum, ABS corner, Inner Material :Corrugated board 2)surface board:YUCAI,P3 and poso board Marker Board for Children 1)Surface; YUCAI ,P3, possco board2)Samdwich:corrugated board3)Back: Zinc coated board4)Extrusion:ALU frame mitered and full lenght pen tray5)Corner:ABS rounded plastic corner6)packing :inner PVCpoly bag ;outer export standard ctn7)Accessories:four magnets,screws