... :Natural,black,grey,coffee,red brown,red wood,cedarSurface finishes:sanding,brushingMaterials:wood fibre,rice straw powder,HDPE,functional additives. ... These decking products are manufactured from a mixture of wood and plastics, and therefore give unique advantages for constructing ... buildup, providing a comfortable deck surface. SD25C composite decking,wood plastic composite,WPC decking/flooring