1)core:poplar ,hardwood ,combi 2)dimensions:1220*2440mm, 1250*2500mm 3) ... :2.5-25mm Plywood:Features: 1) Face/back: okoume 2) Core: poplar, hardwood, combo 3) Dimensions: 4 x 8', 3' x ... 6', 3' x 7', 4' x 7' 4) Glue: MR, WBP 5) Thickness: 2.5 - 40mm ... and then PVC / steel tape for strength . poplar or hardwood core plywood