The BAKFlip FiberMax is an aluminum hard folding truck bed cover with an FRP (Fiberglass Reinforced Polymer) surface, making the cover dent, scuff and ding resistant, as well as cooler to the touch. Its tough aluminum substructure, robust hinge design and patented slam latch system make the FiberMax an easy-to-use, dependable cover that is built to last.\nBAKFlip FiberMax Hard Folding Truck Bed Cover - Rail Mounts Near Top of Bed Rail - Rails Can Be Lowered Using Drop Down Brackets - 2022 Toyota Tundra 5' 7" Bed with or without Deck Rail System without Trail Special Edition Storage Boxes\nCOMING SOON!NOTE: Will NOT fit with Trail Special Edition Bed Storage BoxesNOTE: Will fit with or without Deck Rail System\n2007-2021 Toyota Tundra 66.7 Bed Without Deck Rail System Without Trail Special Edition Storage Boxes