Rough Country Tri Fold Aluminum Hard Tonneau Cover for 2020-2026 Silverado Sierra 2500 3500Elevate your GM 2500 HD 3500 6'9" Bed HD's functionality and appearance with Rough Country's GM Hard Tri fold Flip up Bed Cover. Unlike traditional bed covers that limit access to your truck bed, our innovative Flip up design grants you complete access to your truck bed, making it easier to load and unload large items. Full Bed Access: With Rough Country's Tri fold Flip up Bed Cover, you can conveniently flip up the cover, allowing full bed access