Material description: Made from 100% hips virgin plastic resin, is new material with revolutionary technology.We take full advantage of high polymer materials without any wood fibers, recycle material or additional fillers, has simulation 3d woody texture on four sides, looks and feels like premium wood with excellent anti-slip feature.Ps lumber is stable material without water adsorption since there is no added wood fibers or additional fillers, it can be fully recycled with sustainable utilization. Product feature: no warp, no breaking, no distortion, flat and smooth; no water absorption, low thermal expansion and contraction, mildew resistant, bacteria resistant and moth resistant; uv resistant, acid & alkali resistant, rot resistant and no color fading; no necessity of anticorrosive treatment, polishing, painting or maintenance; plane-able, saw-able, bendable, good nail holding power by screw, can be processed by general woodwork machines; passed tests by sgs.