... composite (WPC) wall panels are manufactured from a combination of polypropylene (34%), wood fiber (60%), and some additives (6%) by using ... pollution, low formaldehyde, 100% recyclable Durability: anti-slip, anti-uv, water-resistance, impact-resistance, anti-aging, moldproof, mothproof, less cracking and ... friendly |15 years long life span& Non-Toxic WPC house (Water-Proof)