Traveler&rsquo;s Choice Sedona 8-Wheels Polycarbonate Hardside Expandable Spinner 3-Piece Luggage Set, Pewter (21"/25"/29") Constructed of 100% pure polycarbonate, the Sedona collection is extremely lightweight and long-lasting The retractable push button handle system is made of aluminum and self-locking mechanisms, allowing you to adjust and lock the handle at different heights; Quiet dual airplane spinner wheel system allows you to maneuver in tight spaces and provides effortless movement Clamshell opening with fully lined interior and interior zippered pocket; expandable feature offers 25% more packing capacity ;interior lid with "u" shape zippered mesh cover and tie-down straps to secure belongings Top and side carry handles for easy lifting 11x21x30 11x21x30