Reese Explore 1041100 Rainproof Car Top Carrier (15 Cubic Feet) DIMENSIONS: 38 x 38 x 18 15 CU. FT. CAPACITY: Free up space in your vehicle by packing luggage, gear and equipment in this high-capacity rooftop cargo bag. RAINPROOF MATERIAL: Made from a premium-quality, rainproof material with sonically welded seams, this bag keeps cargo dry, clean, and protected. UNIVERSAL FIT: Easily fits on most roof racks, raised side rails or crossbars on a variety of cars, trucks, SUVs, vans and other large vehicles with securing straps. COLLAPSIBLE DESIGN: Soft-sided storage bag folds for easy, convenient storage when not in use and is less expensive than hard shell roof box carriers.