UnderCover Flex Hard Folding Tonneau Cover RealTruck Soft Folding Tonneau Covers (Price varies depending on size Frp Ram 5.7ft Low Profile Soft Tonneau Cover Rough Country Hard Low Profile Tri Fold Truck Bed Tonneau Cover for. Undercover Flex tonneau covers leave other types of folding tonneau covers in the dust! These Flex covers feature a sleek, low profile look that fits flush with the bed rails and folds to allow easy access to the full cargo area. Plastic buckles and straps secure the FRP panels in the partially open position, or use the built in prop rods to secure the covers, allowing your truck to be driven with the covers fully open. These Flex covers are constructed from advanced fiberglass reinforced polymer material. They're UV resistant and feature weather resistant rubber seals and drain tubes to channel water away from and out of your truck bed. Undercover Flex covers install easily in minutes, with no drilling required, and can be removed in seconds no tools are needed.