Waterproof Laminate flooring, Unilin Click system, AC2,AC3,AC4,AC5 6mm,7mm,8mm, ... colors:oak,pine,beeth,walnut etc.(2)material: Brown core or Green core HDF,(3)Click system:Unilin click,Arc click,Single ... (7)ISO9001,ISO14001,CE certificate 8/12mm crystal surface laminate flooring