Delsey Helium Superlite Spinners 29 Inch Expandable Suiter Trolley, Blue, One Size Four multi-directional spinner wheels assure smooth maneuverability and stability Made of Duratek material backed with vapor barrier for long lasting use Lightweight fiberglass frame Recessed extra-long locking trolley handle made of aircraft grade aluminum with one button operation Expands up to 2 inches for additional packing space and has a fully lined interior with tie down straps to keep your clothing wrinkle free