... and environmental protection WPC railing 2. Water proof,rot proof, mould proof 3.ASTM,REACH,RoHS standards ... , nailed, planed, and suitable from -40 to +80°CEco-friendly: non-toxic, no pollution, low formaldehyde, 100% recyclable Durability: waterproof, moldproof ... to install and clean, no glue and low maintenance cost Water proof and environmental protection WPC railing for outdoor use