Eco-friendly Wood-polymeric composite Design: Solid/Hollow Material:wood plastic composite Certificate : SGS, ISO9001 Eco-friendly Wood-polymeric composite Item No ... ,barriers,garden pavilions,bridges,railing,stairs,courtyard,handrails,flower boxes, ... wood products. 3.resist acid and alkaline corrosion,waterproof,free from damages by insects,fungi and bacteria.4.100% recycled ,environmentally friendly ...