Tonno Pro 2019 GMC Sierra 1500 Fleets 5.8ft Bed Tonno Fold Tri-Fold Tonneau CoverOur Tonno Fold Tri Fold cover is unmatched in quality. It features tear resistant double sided vinyl, and a powder coated frame both are covered by a limited lifetime warranty! The three sections are hinged together making it easy to fold it into a more compact unit. You can remove it in seconds when you have oversized cargo or simply fold it forward to lock it in place for smaller loads. Our Tri Fold tonneau cover comes completely assembled NO