Hardshell exterior is designed to be waterproof for all your rainy travels. Hardshell construction is designed to absorb impact. Retractable handle system allows you to maneuver your bag with ease. 360-degree spinner wheels allow smooth and effortless mobility. Top and side grab handles are designed to make lifting easy and convenient. Recessed handle and wheels to maximize the carrying capacity while meeting FFA size requirements. Imprinted fully-lined interior with zippered center divider. Tie down straps help secure your belongings. Clam shell opening provides easy organization. Built-in USB port on the 21” carry-on with an interior power bank compartment provide quick connection to your portable electronic device for a quick charge. Power bank is not included. 22" Spinner Exterior Dimensions: 21. 5”H x 14. 25”W x 9. 5”D (6. 48 lbs. ) 22" Spinner Interior Dimensions: 19”H x 13. 75”W x 9”D