... Thickness: 12mm-18mm SpecificationsFace/Back: Okoume/Poplar Core: Poplar, Paulownia, Pine, Hardwood, Glue: MR Grade: AA, BB/CC Thickness: 12, 15,18 ... 1220*2440Face/Back: Okoume/Poplar Core: Poplar, Paulownia, Pine, Hardwood, Glue: MR Grade: AA, BB/CC Thickness: 12, 15, ... 18, 21mm Size: 1220x2440 Density KG/CBM: About 500 Moisture: 6-12% 15mm pine core ...