The Eco-friendly Wood Plastic Composite decking is made of 65% wood powder, 30% HDPE--High Density (Grade A), chemical additives (Anti-UV agent, Anti-oxidation agent, stabilizers, colorants, Anti-fungus agent, coupling agent, reinforcing agent, lubricants etc.). All these raw materials are premixed and extruded by professional Wood-Plastic machinery with special technologies. It's a Low-carbon, Environmental protection, Recyclable new materials.