Enjoy the Wonderful Journey! Our 2-piece kid luggage set includes a carry-on hardshell suitcase and backpack bag, providing a large capacity to keep your items well organized. Moreover, The hardshell suitcase features inside cross straps and a zippered storage pocket for classifying items, and the backpack also comes with an elastic pocket to store items in the order. And it is airline approved to carry on. The luggage set is made of premium ABS and PC material with frosted film, which is waterproof for outdoor use while effectively preventing scratches. Besides, the height-adjustable telescoping handle and adjustable shoulder straps meet the needs of kids of different heights and sizes. Thanks to the four 360° swiveling universal casters, the carry-on luggage is easy to move around whether schooling or traveling.