plain hardboard 1) Size : 1220*2440mm 2) Thickness : 2-3mm 3) ... ,packing 3.GlueE0,E1,E2,WBP,MR4.PackingInner 0.2mm plastic Out Steel strip or pvc for strength , plywood sheet or ... and questions , contact me please , thanks . . . 4*8*2-4mm plain hardboard