The BAKFlip CS/F1 is the combination of a hard folding aluminum tonneau cover and integrated rack system, now with an FRP (Fiberglass Reinforced Polymer) high-gloss surface for increased rigidity and protection from dents and dings. The CS/F1 is your top choice when looking for a more durable and versatile cover and rack option. Designed for contractors, sports enthusiasts, and anyone looking to utilize a tonneau cover and rack simultaneously, the CS provides flexible loading features to accommodate a variety of cargo from utility equipment and construction materials, to sporting goods and appliances.