VioGi Fit 14-16 Chevy Silverado/GMC Sierra 1500 15-16 2500/3500 6.5ft Bed Soft Vinyl Aluminum Frame Tri-Fold Black Tonneau Cover Fitment: 2014-2016 Chevorlet Silverado/GMC Sierra 1500 6.5 Feet (78.8") Standard Bed Only (Not Fit Models With Factory Utility Track System); 2015-2016 Chevorlet Silverado/GMC Sierra 2500 HD/3500 HD 6.5 Feet (78.8") Standard Bed Only (Not Fit Models With Factory Utility Track System) Package included: 1pc Soft Tri-Fold Tonneau Cover Assembly + Necessary Mounting Hardware Made From tear-resistant double sided 24oz vinyl & aluminum frame Top-mount Design -- The Cover Sits On Top of The Bed Rails For Improved Water Runoff And Minimal Bed Space Intrusion. InstallatonDirect Clamp-On