The Undercover Flex is a low profile hard folding tonneau cover that is going to mount flush to your trucks bed rails. The panels are constructed of powder coated aluminum which means they are durable and lightweight yet easy to operate and great at keeping the contents of your truck bed safe with the tailgate locked. The Flex utilizes EPD rubber seals and hinges which provides maximum protection against rain and snow. The cover is easy to operate by dropping the tailgate and pulling the pull cord from either side of the cover releasing it from the rails allowing you to fold it back 2/3 of the way to the cab of the truck. Just secure the clips in place which allows for partial bed access or flip it once more and secure with the prop rods to hold it in the upright position for full bed access. To close unclip the prop rods unclip it from the front and start folding it back toward the tailgate. The bed cover will lock in place as the panels hit the bedrails and before you place the last panel in place just close the tailgate and drop the final panel. Once the tailgate is locked the tonneau cover can’t be opened which adds an extra layer of security to the contents of your truck bed. The Undercover Flex is and is a no drill installation and comes with a 3 year warranty.