... 4.long useful life Guofeng WPC shutter is Eco-friendly wood plastic composite products. It is made of:30%HDPE ... a kind of insect proof, green environmental. Main features of WELL WEAR Wood-plastic Composite:A. looks and feels like ... painting, no glue, low maintenanceF. 100% recycle, environmental friendly, save forest resourceG. Barefoot friendly, anti-slip, no crackingH. Weather resistant, suitable ...