1. Extra storage space: 15 extra feet (about L43 x W34 x H17 inches). This space can accommodate all the luggage of a family of 3-6 people, including 3-5 medium suitcases, travel cases, sleeping bags, tents, etc. Free up space in the car for a more comfortable journey. 2. Waterproof and ripstop: Our fabric is made of 600D Oxford cloth with waterproof lining zipper and double cover. All seams are made of heat welded, dust proof, insect proof, scratch proof, tear proof, proof, sun proof, rain proof, wind proof, effectively protect your luggage from rain, gravel, snow, wind on the road and sun damage. 3. Aerodynamic Design: The foldable roof bag protector is more fuel efficient than any other car roof rack or cargo box. In addition, the pads protect the roof and prevent the roof pockets from shifting. 4. Durable and firm: the top pad is resistant to peeling and tearing. This roof rack is sturdy and durable. 5. Easy installation: It is equipped with 4 fixed installation strips, and there is an anti-scratch soft layer at the bottom, which can prevent scratches on the car paint surface. Our ceiling bags are very convenient and easy to install. Spacious Roof Bag: Whether you're planning a -country trip or you're in the mood for a little off-roading, our roof top carrier is ready for any adventure Great for cars, caracaravans or SUVs with roof rack systems, it provides 15 feet of convenient, secure storage. Completely Weatherproof: Our cargo carrier is ready to brave the elements With welded seams to seal out water, it's totally weatherproof and protects against rain, grit, snow, wind and sun. perfect for family road trips, it increases the space inside your vehicle. Durable: The fabric is durable, free of harmful chemicals, acid wash and tear resistant. Easy to use and store.Quick and easy installation and folding without additional tools Details: Top 8 3.8cm buckle straps + 2 3.8cm buckle straps Bristles: 10cm lengthened bristles Zipper: 10 normal zipper + 2 sliders Colour:black Material:600D Oxford cloth Package Contents: 1 x Car Rooftop Cargo Carrier Bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.