30%HDPE,60%wood fiber,10% chemical additives; feels like natural wood;durable, color stability; easy to install;100%recycle Products information:1. Material: Wood Plastic Composite (WPC).2. Ingredients: 35% HDPE,PP+55% natural wood and bamboo powder+10% special additives,such as antioxidant,lubricant,colorant,ultraviolet absorbent.3. DIY: Easy for Installation4. Standard colors: Gray, Brown, ...