Truxedo 561155 Lo Pro QT Black Soft Roll-Up Tonneau Cover Easy trigger latch features one-finger release functionality ensuring quick and easy single-person usability Adds a sleek appearance on any truck and aerodynamic contours to your truck, improving miles per gallon up to 10 percent Quick and easy installation in just minutes without the need for drilling or cutting using clamps and pre-assembled, quick attach header guide Patented spring tensioner automatically adjusts to keep the cover tight in fluctuating temperatures Industrial strength Velcro attaches the cover to the rails keeping it tight and taut while reducing wear and tear