Genesis? Roll Up Tonneau cover is a low profile, soft top, truck bed cover that rolls up in seconds, allowing complete access to the bed. The Genesis Roll Up comes equipped with a patented latching and automatic tensioning system combined with heavy-duty Velcro side sealing to keep the cover tight and secure.Genesis? Roll Up?s 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.