Perfect for trips of 3–5 days, this durable hardshell carry-on suitcase features a wraparound expandable zipper that creates 2 1/4" of extra packing space. This suitcase meets carry-on requirements for all US airlines and can be checked when expanded.Closure: Wraparound zip closure; TSA-accepted combination lock.Exterior features: The hardshell exterior is made of water-repellent polycarbonate that's lightweight yet durable. Smooth 360° spinner wheels allow for maximum maneuverability and are tough enough for pavement and cobblestone. The sturdy, quick-release trolley handle features two adjustable height settings. The underside grab handle makes for easy lifting at the baggage carousel.Interior features: The patented interior compression system maximizes your packing space and features three mesh pockets and one hanging pocket.Special features: Ergonomic zipper pulls; water-repellent drawstring laundry bag; leather luggage tag.Sizing information: 21.7" x 14.4" x 9" exterior (including wheels) with 2.25" expansion; 20" x 13.5" interior. Holds 39.8L; 44.6L when expanded. 7.5 lb. Lined, with 100% nylon Polycarbonate Imported