Delsey 51274-001 Helium Pro Carry-on Expandable Suiter Trolley Luggage Constructed of durable 2520 D Ballistic Nylon with EVA foam backing Lightweight Polypropylene honeycomb frame Velocity Ball bearing wheels with stylish wheel covers for easy rolling & long lasting service TSA Approved combination lock furnished on Trolley Uprights Self-repairing #10 zipper on main opening