The BAKFlip® MX4 Tonneau Cover, has matte black aluminum panels with superior UV protection that won't fade or chalk. Heavy-duty aluminum panels have been enhanced with premium density foam core for an increased weight rating up to 400lbs. The dual action tailgate seal allows you to shut the cover with your tailgate in either the open or closed position. The innovative BAKFlip cover folds all the way forward and up against the truck's rear cab window giving you access to all of your truck bed without removing the cover! The BAKFlip is also easily removable with 2 fastening knobs and weighs only 40 lbs! PLUS - The BAKFlip DOES NOT INTERFERE with stakehole pockets on your truck, so it works perfectly with side rails, headache racks, tie downs, overhead truck racks, etc! *Easy No Drill Installation *Lock Tailgate to Secure *3 Year Warranty