... Plywood 1) Dimension: 1220X2440mm, 1250X2500mm, 915X1830mm, 915X2135mm 2) Face&Back: Bintangor and other woods, such as: Okume, Birch, Poplar, Pine, Meranti ... 6) Thickness Tolerence: From +/-0.2mm to +/-0.5mm According the Thickness 7) Diagonal Tolerence: No More than 3mm 8) Moisture ... Discoloration, No Slip, No Empty Holes on Core, Both Face&Back Sanded Well Offer good face and back birch plywood