... Size:90x90mm 4.Usage: fence,handrail,pergola ect. Post Size90x 90m Hollow WPC post MaterialWPC (wood plastic composite) ... brown, Light gray, Dark gray, Black ApplicationsHandrail, railing, fence, pergola ,platform.flowerbox ect. CertificatesCE , SGS, ISO, ... radiation, no formaldehyde and other volatile products,recyclable,green environmental protection.Appearance FeatureWith a natureal wood appearance ...