Heavy Duty Luggage Cart Black/Silver. Tow your luggage along in this Conair Travel Smart luggage cart. This folding luggage cart comes with a bungee cord to keep your luggage in place. Its rugged body and wheels can hold heavy loads and handle terrain like tarmacs and airport floors. The soft, contoured, and extendable handle gives you a smooth and firm grip as you wheel your luggage around. You can also fold this portable luggage cart flat to stash it in the overhead bin.