face/back: natural poplar, red hardwood, core: poplar,combi core, eucalyptus core, glue: ... P2 E0 size: 2.7-25 Face/backnatural poplar, red hardwoodCorepoplar, hardwood ,combine core,GradeBB/BB, BB/CC, CC ... Steel strip or PVC for strength, More than 2mm plywood sheet or hard paper covering all six sides.Quantity20GP8 ... sightWE PRODUCE WBP GLUE BY OURSELVES. E0 glue red hardwoodface/back package plywood