SPECS: Dimensions: 38" x 38" x 18" Capacity: 15 cu.ft. FEATURES: This deluxe waterproof rooftop cargo bag fits all vehicles with raised roof racks Secures and protects your belongings while on the road PVC-lined interior with welded seams keep water and moisture at bay 8 adjustable straps with side-release buckles conform to your cargo for a snug and secure load Heavy-duty zipper with protective flap for durability and weather protection