it luggage World's Lightest 21.7 Inch, Zinfandel This carry-on weighs a mere 3.96lbs and the exterior measures 21.7" x 13.6" x 8.1" with the wheels and handles. The interior dimensions are 18" x 13" x 8.1" The trolley system is crafted from a single piece of lightweight aluminum and runs down the sides of the suitcase, resulting in a spacious flat packing bed for crease-free packing. 13.6" x 8.1" x 21.7"