The rack pad is an excellent option for safe and secure transportation of bikes. It has top edge adjustment, two extension straps for e-bike compatibility, and can carry up to 6 bikes. The pad is constructed of PVC tarpaulin with a micro-brushed inner lining and high-density foam for protection. The Half-Stack model also has a fold-out panel for extra security and features raised bike spacers, padding, and hook-and-loop frame straps for stability. It also includes a bike lock loop to prevent theft. Adjustment: Top edge adjustment allows for custom fit to both flat and curved tailgate edges. E-Bike Compatibility: Each tailgate pad comes with two additional extension straps to secure e-bikes Bike Capacity: Half Stack - 2 bikes, Mid-Size Truck - 5 bikes, Full-Size Truck - 6 bikes Construction: PVC tarpaulin with micro-brushed inner lining Protection: All tailgate pads have high density foam protects both your truck and bike from dings. The Half-Stack also features a fold out panel. Stability: Raised bike spacers and padding, hook and loop frame straps, bike lock loop Sizing Guide Full Size Mid Size Split CHEVY/GMC Silverado/Sierra 1500, 2500, 3500 Colorado/Canyon, S10/Sonoma All DODGE Ram 1500, Ram 2500, Ram 3500 Dakota, Ram Dakota All FORD F-100, F-150, F-250, F-350, F-450 Ranger, Maverick All JEEP None Comanche, Gladiator All HONDA None Ridgeline All NISSAN Titan Frontier, D21 Hardbody All TOYOTA Tundra Tacoma, T100, Hilux All Information provided by manufacturer