1. It's flexible, inexpensive, workable, re-usable and can usually be locally manufactured. 2. Various kinds of plywood we ca Face&BackBintangor , Agathis, Pencil cedar, Okoume, Keruing, Oak, Ash, Maple...etcCorePoplar,Hardwood,Combi,Okoume,Brich, Paulownia GradeB/BB,BB/BB,BB/CC or AAA, AA+,AA, A...etcGlueE2, E1, E0, CARB P2, Melamine, WBPSize(mm)1220*2440mm,1250*2500mm,1220*3050mm, 915*2135mm, ...