... :1220*2440*4-30mm Core;poplar,birch,hardwood,combi core Face and Back: black,brown Glue:MR/WBP/MELAMINE Certificate:CE ... ,20,22,40mm Tolerance: 1mmCore: Paulownia, Poplar, HardwoodFace: Okoume, Bingtangger,Red Oak, Walnut, Ash, Sepili, BeechGrade: BB, BB/CC; Glue: MR ...