【Most Safe Design】: For security reasons, we use 8 reinforced adjustable straps to keep the cargo carrier in place. no slip, no scratch to your car. 【Large Storage Space】: The roof bag was designed to solve the problem of limited storage space in the car. 20 cubic feet rooftop cargo bag allows you to hold 6-8 suitcases, travel luggage case, tents, sleeping bags and more. Free up inside vehicle space for more comfortable on the way. 【Easy to Install】：Adakiit rooftop cargo carrier fits for any car, truck, or SUV. If your car does not have a roof side rail, you can use 8 straps to pass through the window to install the roof bag on the roof rack quickly and easily. 【Waterproof】: Made of 1000D Oxford cloth, Adakiit roof bag adopts a genuine waterproof zipper, used in extreme weather and is protected with a double flap. All seams are heat welded and stitched to ensure they are watertight. 100% waterproof and rainproof under extreme weather. 【Satisfactory after-sales service】: Our company is committed to manufacturing high-quality products and providing perfect services. If you have any questions, please contact us in time. Your satisfaction is our constant pursuit.