▶️ This cover is compatible with Chevy Silverado 1500 2007-2018, GMC Sierra 1500 2007-2018, Only fits 5.8ft fleetside / styleside bed WITHOUT rail system. ▶️ Come with [1] tonneau cover and [2] side mounting rails, can withstand kinds of climate conditions and supply a great protection to your vehicle with adjustable tension and rubber weather seals. ▶️ It is made of vinyl frame to guarantee a long operate life in outdoor conditions, also has the elastic straps to secure cover in stored position. ▶️ It has the velcro edges to seal against truck bed, providing maximum security and concealment of your goods as well, increasing the trucks aerodynamics at speed. ▶️ Easy to install with included clamps without any drilling and the cover can be removed quickly, make you enjoy the convenience in the fastest time.