Features: 1) Face and back: okume 2) Core:okume 3) Size: 1,220 x 2,500mm, 1,220 x 2,440mm 4) Grade: B/BB, BB/CC 5) Glue: E1, MR 6) Thickness: 3.6, 4, 9, 12, 15, 18, 20, 25, 30, 40mm