All seams are welded waterproof.
Use it over and over for years to come! Rightline Gear Sport 3 Car Top Carrier - 100S30. The Sport Car Top Carriers are available in (3) sizes to fit any size vehicle, WITH or WITHOUT a roof rack. Capacity: 18 cu ft;Dimensions: 48 L x 36 W x 18 H;Aerodynamically designed for SUVs and minivans, with or without a roof rack;100% Waterproof with welded seams and SZIP waterproof zipper - no zipper flap required;Enclosed front end helps fit your gear to the size of the carrier and prevents overfilling;Includes: carrier, (4) attachment straps, (4) car clips, and stuff sack with sewn-in set up guide;California Residents: WARNING After use, the Sport Carriers fold down for storage in a stuff sack complete with a sewn in set up guide.The Sport Carriers are constructed from UV protected PVC Semi-Coated Mesh XT, premium polyester re-enforced PVC.