Keep your ride scratch free. The heavy nylon and PVC fabric protect your frame and forks from getting dinged or scratched on the way up the hill. Raised bumpers form a seat for forks to settle in, and prevent your bikes from sliding around. For added cushion and protection, the downtube contact point is padded. Outer layer is heavyweight nylon and PVC with a DWR treatment for water repellency. Inner micro-brushed layer is soft and won't damage your truck's finish. Raised bumpers securely hold bikes. Raised square pads along the outer tailgate (small pad only) helps hold your forks in place. Downtube contact point features padding and non-abrasive fabric. Attaches with Velcro®-backed webbing and loops.