Fitment --for 2020-2024 Chevrolet Silverado 2500HD/3500HD 6.9ft --for 2020-2024 GMC Sierra 2500HD/3500HD 6.9ft Features Compatibility: Compatible with 6'10" bed of 2020 2021 2022 2023 2024 Chevy Silverado/GMC Sierra 2500 3500 HD; Custom-fit solution to increase truck bed utility(DO NOT FIT Multi-flex tailgate) Element-Proof Cargo Cover: Crafted with high-quality Fiberglass Reinforced Polymer (FRP) sheet, our truck bed tonneau cover offers excellent scratch resistance and protection against different weather elements including rain, snow, dirt, and UV rays. Enjoy reliable durability without fading, cracking, or peeling No-drill Installation: Install the hard tri-fold tonneau cover in no time without any drilling or modifications needed; Comes with detailed instructions for added convenience; Note that if your truck has cargo racks, remove them before installing this cover All-around Strength: Non-slip FRP sheet works with PP honeycomb structure to achieve bearing capacity up to XXX pounds; Embedded clamps and reinforced latches prevent accidental opening during driving for increased safety; Includes LED light to facilitate item retrieval in dim or dark conditions Easy Folding and Warning: Gain flexible bed access by single, dual, or tri-folding the cover and securing with nylon straps; Please be sure to install the tonneau cover as specified by the instructions, and tighten all the bolts before driving; Never drive with the cover partially open [specification] Bed Length:6.9 ft Style: Hinged Exterior Finish:FRP Material: Fiberglass Reinforced Polymer Lock Type: Tailgate Color: Black Placement on Vehicle: Upper Attachment Type: Clamps [/specification] Package Included 1x Hard 6.9ft tri-fold /3 fold tonneau cover California Residents: Prop 65 WarningWARNING: Cancer and Reproductive HarmVisit: Prop 65 Warning