Set includes: 20 Carry-on Upright Spinner / 24 Upright Spinner / 28 Upright Spinner. Lightweight and secure Polycarbonate composite frame construction. 4-Spinner wheels for smooth mobility. Telescoping handle from lightweight airplane grade aluminum. Easy grab handles to lift into overhead bin or automobile trunk. Expandable by 2 inches for extra packing capacity with the simple pull of a zipper. Dual packing compartments. one with u-zip and one with tie down straps. One interior zippered pocket to keep important items secure. Fully Lined interior. 2-Year Limited Warranty. . . .