1)anti-insect, crack resistant 2)rich color and design 3)no toxic chemicals or preservatives 4)waterproof and UV-resistant 1) Component: 30% HDPE, 60% wood fiber and 10% additives.2) Main feature:1. High recyclable, eco-friendly.2. with the look of the natural wood but less timber problems.3. Moisture/water resistant, less rotten, proven under salt water condition.4. Barefoot friendly, anti-slip, ...