... pressure-treated wood are avoided. WPC is a very environmentally friendly Product.♦ The cost benefit advantage: Although WPC is initially ... Grade A Recycled HDPE) 60% bamboo/wood fiber (Professionally treated dry bamboo/wood fiber) 10% chemical additives. (Wood texture strong, ... , less rotten, proven under salt water condition 4. Barefoot friendly, anti-slip, less cracking, less warping, 5. Requires ...