Factory UTV Polaris RZR 170 Doors are constructed from mild steel tubing and powder coated for excellent durability. Plastic skins are made from top quality thermoplastic olefinic elastomer. This high-impact polypropylene offers a high-gloss finish with excellent durability to endure extreme weather and temperature conditions. Plastics are UV-stabilized, resistant to chemicals and available in several colors including RZR Red, Pink and Carbon Fiber. Doors mount using existing mounting locations on the RZR.