Porcelain enameled Board YCL-II Surface;available YUCAI,P3 and Posco BoardSamdwich:superior corrugated boardBack; Zinc coated boardExtrusion:ALU frame mitered and full lenght pen tray Corner:ABS rounded plastic corner packing :inner PVCpoly bag ;outer export standard ctnAccessories:four magnets,screws Sizes :30x45cm 45x60cm 60x90cm 90x120cm 90x150cm 100x150cm 100x180cm 100x200cm