Customized Fit: Designed for 2014-2019 Chevy Silverado and GMC Sierra 1500, as well as 2015-2018 Silverado and Sierra 2500 3500 HD models with Fleetside 6.5-foot truck beds. Works with or without bed liners. Bed Contents Stay Dry: Tear-resistant black vinyl with OE-grade rubber Q seals forms a water-resistant barrier for the truck bed. Durable Aluminum Frame: 6063-grade, epoxy-coated aluminum crossbars provide support and tension, preventing water buildup. Roll-Up Convenience: Soft roll-up design allows quick access to the truck bed for easy loading and unloading of items. Easy Installation: Simple installation, even by one person. Step-by-step video available for installation guidance.