The LUND Genesis Elite? Roll Up Tonneau cover is a low-profile, soft Tonneau cover that features a luxurious twill fabric. & The specially designed twill weave makes this cover virtually maintenance free; no special cleaners are needed to clean this premium Tonneau; simply, rinse with water and let air dry.The Genesis Elite innovative design utilizes a patented latching and internal tension control system to keep the top tight.& Heavy-duty Velcro hook and loop fasteners run the full length of the side rails for a secure seal against dust and moisture.& Yet, the cover rolls up in seconds, allowing complete access to the bed and gear.Genesis Roll Up tops are custom designed to fit to your truck?s specific make, model, year and bed size. The cover comes pre-assembled, with all mounting hardware, including heavy-duty adjustable clamps and no-drill installation.& Additionally, when in use, the cover helps improve the overall aerodynamics of your vehicle, thereby reducing drag and increasing fuel economy.