Delsey Luggage Helium Hyperlite 25 Inch Expandable Spinner Trolley, Black, One Size Lightweight and durable Dura tec fabric lightweight fiberglass frame provides flexibility, durability and shape retention Built in case, delsey patent-pending over weight indicator allows you to determine if your bag is over 50 lbs. Fully lined interior with adjustable tie down straps, zippered interior pockets and two exterior front pockets Roomy main compartment expands 2 inches; easy roll spinner wheels assure smooth maneuverability and keep zero weight on your arm. Telescoping pull handle locks in two positions to accommodate 2 or 4 wheel use. Worldwide limited lifetime warranty