Parquet flooring 1)HDF core 2)AC1 to AC4 3)R click Parquet flooring1)surface:synchronized surface2)Core:HDF white ,brown, green3)Dimension: ... )Grade(EU standard):AC1,AC2,AC3,AC46)packing:8pcs/cartonparquets flooring is excellent capacity to withstand most scuffs , scratches and impacts ... the surface,strong heat resistant with flame retardant. 12mm synchronized parquet flooring