Designed as a factory OEM replacement to doors that are torn, faded and worn The marine grade vinyl coated fabrics resist fading Clear windows with oversized zippers make them to easily remove Original equipment soft top hardware and door frames required for installation Three-year limited warranty Sierra Offroad Upgraded Trilogy Acoustically Enhanced Twill Grain Door Skins are designed as factory style replacements for both left and right doors that are torn, faded and worn. These door skins include hook and loop fasteners and is made from high endurance materials so will be very durable. It is custom designed to match the Original Equipment style and quality. Acoustically Enhanced Twill Grain vinyl is a SIERRA OFFROAD exclusive material. It is a heavy weight automotive grade 2 ply composite material that has a "cross hatch" or "twill" pattern in the vinyl. The Twill pattern was specifically designed to imitate the luxury look of the cloth material used on high end luxury convertibles such as Mercedes Benz, Audi, Porsche and BMW. The material has been tested extensively and is guaranteed to withstand the elements and provide years of service.