Five people's about the maximum number you can fit in a car, and if you have to stuff gear in there too? You might as well stay at home and watch re-runs. Throw the Cargo Box on the roof of your vehicle, though, and your road trip will seem like a first-glass luxury cruise. Material is 80% recycled and extra-lightweight, so you can carry more gear without weighing your car down, and it has internal lid stiffeners and an aerodynamic design for increased efficiency and less noise.opens on both sides and closes tightly with a SuperLatch secure closure system, and also has an integrated SKS Lock system to keep five people's gear safe.