Rough Country Hard Tri Fold Aluminum Tonneau Cover for 2014-2019 GMC Sierra 1500 2500HD 3500HD2014 2019 Chevy GMC 1500 2500HD 3500HD Rough Country Hard Tri Fold Flip Up Bed Cover Transform your Chevy or GMCs truck bed with Rough Countrys Hard Tri Fold Flip Up Bed Coverdesigned for maximum functionality, durability, and all weather protection. Unlike traditional bed covers, our flip up design gives you full bed access in seconds, making it easier than ever to load and unload large or bulky items. Full Bed AccessSimply flip up the cover to open