The Sport Car Top Carriers are available in (3) sizes to fit any size vehicle, With or Without a roof rack. Attach the carrier’s straps to a vehicle’s roof rack or use the Car Clips to attach the straps to a vehicle’s door frame weather molding. The Sport Carriers’ SZIPTM Waterproof Zipper is a 100 Percent waterproof zipper that does not require a zipper flap. The carrier’s enclosed front end helps you fit your gear to the size of the carrier and prevents overfilling. Rightline Gear has used the advanced SZIPTM to make the carrier design ultra-simple and super easy to use. The Sport Carriers are constructed from UV protected PVC Semi-Coated Mesh XT, our premium polyester re-enforced PVC. All seams are welded waterproof. The end result is a highly durable cargo bag that lets you travel with the total peace of mind that your gear will stay dry. After use, the Sport Carriers fold down for storage in a stuff sack complete with a sewn in set up guide. Rightline Gear Sport Car Top Carriers have the most advanced features of any soft top carrier on the market, so you can transport your cargo and your passengers without compromising safety, comfort, or convenience. Gear up with confidence; our carriers will keep your belongings dry and won’t fly off your roof, so you can use them over and over for years to come! Spend less time dealing with overcomplicated alternatives, and more time doing what you love with a Rightline Gear Car Top Carrier.