The Access Toolbox Edition Truck Bed Cover boasts all-aluminum structure with roll-up bars and bows. The UV-resistant double-coated vinyl fabric tarp stays flexible down to 40 below. The Toolbox Edition Tonneau Cover s exclusive EZ DIAL XT Tension Adjusters let you hand-tune the tarp to trampoline-tightness with a few easy cranks-no complicated springs levers or tools here. The smooth 1-1/2 hook and loop (Velcro-style) seals roll-up tarp and premium cab-end straps mean there are no finger-busting snaps debris-catching tracks or creaky hinges to get in the way of hauling big loads in the bed. The Access Toolbox Edition Tonneau Cover also keeps your cargo secure and protected from the elements with its manual slide lock automatic latching system and proprietary Element Seal weather blocker. And your Tonneau Cover is backed by a Premium Cover Limited Warranty ensuring it will be free from defects in material and workmanship for as long as you own your truck.