... decking system which can be widely used in ourdoor home decoration,squares, courtyards and other occasions.its natural,traditional and classic ... cracking,anti-slip ,flame retardant ,Easy to assemble,low maintenance,paint-free.4,common sizes:145mmx30mm,140mmx30mm,140mmx25mm,230mmx9mm,70mmx12mm.or ... color variation. outdoor ribbed wpc decking/hollow garden flooring/garden decoration