100% WATERPROOF &TEARPROOF MATERIAL - Made of 100% waterproof material, 700D PVC tarpaulin, Grid material with High frequency voltage technology, durable and heavy duty style bag; EASY TO USE - The MeeFar XBEEK roof bag come with 1x anti-slip mats, 1x luggage lock, 6x security hooks, and 1x storage box, 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; UNIVERSAL COMPATIBILITY - The MeeFar XBEEK roof bag can be used with any sized car or SUV, work both with car with or without roof rack; MORE SECURITY - Come with BONUS combination lock, it will not only prevent the zippers from slipping, but also adds security to luggage; LARGE STORAGE SPACE - 20 cubic feet 51” (L) X 40” (W) X 17” (H) rooftop cargo bag allows you to hold 4-6 suitcases, travel luggage case, tents, sleeping bags and more.