WPC materials are manufatured from a combination of plastic,natural fiber and some additives.With an array of decking profilesoptions, high quality,and size choices,you could custmize any our products to meet your needs.It is waterproof, mildew-resistant.,no cracking,,never splinters, easily installed, durable entirely ecological chair. It is charatized by excellant attbutes including stablity over a wide temporate range,weather resistant.years. It can be used installed&clean and will cost low in maintanance and keep longeable. Main features: 1)environmental friendly, no cracking, nowaping 2)with appearance of the natural wood but no timber pboblems 3)moisture resitant,low flame spread. 4)available in different colors 5)easy to process Certification: ISO 9001