1. PLYWOOD 1).face and back: poplar / birth / okoume 2).glue: WBP, MR, E1, E2 3). dimensions:2440*1200 / 2500*1250*9mm / 12mm / 15mm / 18mm / 21mm /25mm/2.5mm/3.0mm 4) core: poplar/birth/pine/combied wood