IZOD Luggage Voyager 3.0 20-Inch 4-Wheel Expandable ABS Carry-On, Olympian Blue, One Size Glide-Rite Spinner Wheel System lets you move in any direction with exceptional ease Cases expand for extra packing capacity with the pull of a zipper. Split book style opening offers two separate packing compartments Components and materials go through a battery of tests to ensure durability and reliabilty 5 year limited warranty