K-Cliffs Waterproof Roof Cargo Bag | Fits All Hard-top Cars | Blue (Medium) Waterproof cargo rack bag is made out of thick tarpaulin material protecting your load against grit, sun, wind, and rain. Includes sturdy adjustable tie-down straps for virtually universal fit on all cars with or without roof rack. Filled back dimensions measure: 32" x 25" x 14" Soft yet durable walls allow more versatile packing and flex to fit odd-shaped loads. Easy to detach, remove, and fold into a compact storage shape with little effort.