Goplus Car Rooftop Cargo Carrier Bag, 21 Cubic 100% Waterproof Soft Car Roof Bag for All Vehicles with/Without Rack

100% Waterproof & Tearproof Material: Constructed of triple-layer high-density 700D PVC material, this ultra-durable rooftop cargo carrier is 100% waterproof, snow-proof, dust-proof, and sunproof so that it can reach farther to anywhere. Likewise, the 4.3" extended rain curtain is also equipped with waterproof zippers inside to keep items dry. Work with/without Roof Racks: Featuring 6 door hooks and 10 reinforced straps, this heavy-duty car roof bag fits all vehicles without racks, side rails, cross bars, or basket/tray on top. With simple installation steps, it can compatible with pickup, off-road vehicles, SUVs, sedans, hatchbacks, minivan wagons, etc. 21 Cubic Feet Large Storage Space: This rooftop cargo carrier bag with 21 cubic feet large space allows you to store 4 sleep bags, 4 medium suitcases, or 2 double tents with ease, which is perfect for family travel, providing more space inside the car for resting. And the zippers with lock holes can be locked for added security (l