Overview Reviews Product Description Undercover Flex - Folding Bed Cover 2017 - 2020 Fits d F-250 / 350 6.8' FX21021 Undercover FX21021 Product Videos Custom Field Product Reviews Write a Review Write a Review × Undercover Undercover Flex - Folding Bed Cover 2017 - 2020 Fits d F-250 / 350 6.8' FX21021 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *