... and below Length: 500-4100mm Thickness:12 15 18 20mm floor boardGradeAB GRADEGlueNO GLUE INSID—PURE SOLID WOODThickness9.0/12.0 ... requirements , resonable prices ,good and stable quality ! Usage: making furnitures, floor, wall, decorate sauna house , coffin , box, arts&crafts the flooring ...