The BAKflip F1 Tonneau cover is a fiberglass folding tonneau cover for your truck bed. Conveniently haul long cargo on the rack system, leaving plenty of room in the truck bed. With a locked tailgate, the gear in the bed is secure with the BAKFlip F1. This design supplies multiple automatic latching systems that lock the cover panels down as they are closed. Featuring an impact and scratch resistant surface made from fiberglass reinforced polymers BAKflip Tonneau covers are supported by a full alumimum sub-structure for absolutely fantastic security. The seals and hinges on this folding tonneau cover are made from synthetic EPDM and are guaranteed to never fail. They can withstand severe temperatures of over 40 degrees below zero and extreme levels of heat and sun.