Set includes: 20 Carry-on Upright Spinner / 24 Upright Spinner / 28 Upright Spinner. Polycarbonate composite frame construction is lightweight and secure. 4-Spinner wheels for smooth 360* mobility. Telescoping handle with lightweight airplane grade aluminum. Top and side carry handles make it easy to lift your bag into the overhead bin. Expandable by 2 inches for additional packing capacity with a simple zipper pull. Two packing compartments. one with U-zip and one with tie down straps to keep belongings secure. One interior zippered pocket to keep organized. Fully Lined interior. 2-Year Limited Warranty. . . .