This spacious, 4-wheel upright has the capacity to hold everything you needfor a longer stay. Through innovative construction, traditional framing isreplaced with highly durable, pure polycarbonate. Aircraft grade, one-touch,dual-trolley aluminum handle system locks into three different positions,37Inhes / 94 cm, 39Inhes/ 99 cm and 41Inhes / 104 cm, to accommodate travelersof various heights. Dual-trolley handle system also allows you to adjust tothe ideal handle position when transitioning from pushing the bag upright topulling it on two-wheels. Four premium, 50mm Hinomoto wheels ensure smoothroll across any surface and provide 360 Degree, zero weight-in-handmaneuverability. Spacious main packing area expands 2Inhes (5 cm) foradditional packing capacity. Interior features a zippered mesh pocket andcompression straps that stretch to secure folded items. Removable drawstringbag allows you to separate shoes from clothing. Exterior front u-shaped pocketconveniently holds reading materials and travel documents. Integrated ID tagfor security and convenience. Lockable YKK Racquet Coil zippers providesuperior burst strength. Travel Sentry Approved combination lock securesbelongings and allows U.S. TSA screeners to open the lock without destroyingit and relock it after inspection.