... 4.Free to maintain,eco-friendly 5.Foaming tech Description wpc fence size length: design according to customers need. color twelve ... children running around on your decking! WPC does not warp, crack, or twist, WPC is resistant to decay by insect attack, ... dry wood fiber) 10% chemical additives. (Wood texture strong, resistant to abrasion, impact resistance, high-density, waterproof, moisture-proof, ...