... The wpc edging as a new type of environmently composite material,which own advantages both the wood and plastics ,and ... a new-style of environment products ideal substitute for wooden material .a) Regular size:40mm x 40mm;b) Formula ... composite material,with high strength,impact resistence,non-derformation,water-resistance anti-corrosion,anti-moth,anti-virus effect;d) Physical Feature: Noise insulation ...