... like nature wood Lifetime: 20 years ISO, SGS, CE About WPC: WPC (wood plastic composite) material is composed of natural fiber, HDPE ... , grey, black, red brown, teakwood, redwood, red, yellow. OptionalSurfaceSanding, brushing, embossing.ComponentPoplar wood fiber + HDPE + additives.Warranty 20 yearsCertificateCE, ISO, SGSPackagesCarton ...