Item No.: FD-8039 Features: 1. Durabel,weather-resistant material; 2. Attaches to roof rack in seconds; 3. Folds flat for compact storage; 4. Protective wheel cover prevents scratching your vehicle; 5. Provides and extra 12 cubic feet of storage; 6. Roolling duffel bag has easy-roll wheels for smooth; 7. Roolling and sturdy bottom track for support; Material: Ploy600D/PVC Size: A:36"W x18"Hx22"D B:36"W x18"Hx14"D C:37" x37"