... advantages over solid wood products and 100%plastic products: waterproof,UV-protected,environment friendly,material recycle, more strength,easy installed( ... available(see pics below)(2). Material:Wood Plastic Composite(3). Composite:30%HDPE +60%wood / bamboo powder +10% additives 2.. Main ... composite(wpc) pergola, garden furniture environment friendly certificated, water proof and UV protected