... according to the adjacent layer wood grain direction plywood Poplar or hardwood core BB/BB, BB/CC grade Mr, E2, E1 ... face and back, bb/bb or bb/cc grade, poplar core or hardwood core, Mr E2 E1 or waterproof glue; 1220x2440mm or 1250x2500mm, 2.5mm to ... 25mm. mostly be used indoor wall or outdoor decoration ...