Rightline Gear 100B90: Storage Bag Exterior Cargo Saddlebag 40 in. x 20 in. x 28 in. Each – Rightline Gear cargo saddlebags are ruggedly designed carriers that rest on the back of your vehicle suspended from your luggage rack. They allow for the easiest loading and access to your gear of any cargo carriers because they sit so low. They are located behind the rear of your vehicle and produce no aerodynamic drag saving you tons of money on fuel over rooftop carrier designs while not getting hit with wind rain and bugs. These saddlebags feature a urethane coated zipper and welded seams for 100 percent waterproof protection a handle on each side so that they can be easily lifted off of the vehicle and taken into your destination and a bottom pole frame to provide support and structure. They also include two adjustable straps that attach to either the side rails or rear cross bar of your luggage rack two bottom straps that attach to the bumper or tow hitch and a long support strap that can be tightened around the outside of the bags. To attach to vehicles without a roof rack add a set of Rightline Gear Saddlebag Car Clips which are sold separately.