... top layer,3 layers,AB&CD grade 3.Poplar bottom&core,brushed,stained,oiled oak three layers solid engineered ... laminate flooring YS-1Specification: MaterialOak top layer,under laminate baseSize1900*190 ... ABC ,CD,DD,ABCDMoisture content 8%-12% Top layer veener thickness 3mm or 4mm Core PopularColornatural ... . oak three layers solid engineered laminate flooring YS-1