FLEX Tri-Fold Tonneau Cover (FX21021) by UnderCover. Material: Fiberglass. Finish: Black. Level-up usability and protection of your truck with this lightweight yet impenetrable tri-fold cover. Its ultra low-profile design offers a sleek look while the folding panels ensure quick and easy truck bed access. The panels are crafted from fiberglass reinforced polymer to make the cover rust- and dent-resistant.
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