1.What is WPC? WPC is a green building material, it's made of 60%natural wood fiber( Professionally Dry treatment ) ,30% of eco-friendly HDPE materials and 10% chemical additivel ( anti-UV agent, anti-oxidation agent, reinforcing agent, stabilizers, colorrants, anti-fungus agent, coupling agent ect..) 2.Will color fade because of weathering? Unlike real wood, our products have great color fastening performance. The color will just fade a little at the beginning of three months, and then the color will become very stable for later application. 3.Are products easy to install? Definitely,Our customers can find all fitting and hardware in Everjade. Also you can download the materials of installation from our website. We are pretty sure that our products can meet your DIY request. 4. Can you provide free samples? Yes, we can provide free samples. 5. Are you a factory? Yes, we are a factory which has been certified. 6.What is your delivery time? Normally 15-30 days,depends on the quantity.