Nilight Car Roof Bag 21 Cubic Feet Waterproof Rooftop Cargo Carrier,Suitable for All Vehicle with/Without Rack – Waterproof Zip,Reflective Strip,Anti-Tear 840D PVC, with Anti-Slip Mat. Our roof rack cargo carrier for a car rooftop is suitable for any car, truck, or SUV with Side Rails/Cross Bars/No-rack Roof/Basket, it can be quickly and easily installed in minutes; Made of soft shell material, it can be folded into the storage bag to save space while not in use.