【Most Safe Design】: For security reasons, we use 10 reinforced adjustable straps to keep the cargo carrier in place. In addition, equipped with free anti-slip mat to keep the cargo bag stay in place even in high speed road or bump road, no slip, no scratch to your car.Also a security lock to prevent theft of your luggage.

【Large Storage Space】: FIVKLEMNZ roof bag (52 x 40 x 18 inches) was designed to solve the problem of limited storage space in the car. 21 cubic feet rooftop cargo bag allows you to hold 6-8 suitcases, travel luggage cases, tents, sleeping bags, and more. Free up inside vehicle space for more comfortable on the way.

【Easy to Install】：FIVKLEMNZ rooftop cargo carrier fits for any car, truck, or SUV. If there is not roof side rails on your car, it can be quickly and easily installed to roof rack in minutes with 6 door hooks.

【Durable Material】: Made from 700D PVC, the FIVKLEMNZ roof bag features a double-layered waterproof cover design. All seams are constructed using heat-sealed welding and stitching techniques to ensure a completely seamless and waterproof structure. However, under extreme weather conditions or in cases of improper use leading to tears, 100% waterproof and rainproof functionality cannot be guaranteed. Please follow the user manual and use the product correctly.

【Important Notes】: This is a soft rooftop cargo carrier, not hard. The front and back straps should not beattached to the side bars during installation to prevent tearing over time. This may cause leaks or holes!!!

【Size Choose】: We recommend a 15 cubic roof bag for small cars, a 21 cubic meter roof bag for SUVs, and a 30 cubic meter roof bag for SUVs and larger vehicles.