This 2 pc. Set is made of ABS. The major benefits of this material - it is extremely lightweight, it is durable, and protects the contents of your luggage. Eight multi directional spinner wheels rotate 360 degrees for easy maneuverability. This luggage allows you to pack more while avoiding the excess weight surcharges imposed by most airlines. Expandable Multi-directional spinner wheels for easy maneuverabilityModern internal chrome telescoping handle with push button handle.Interior mesh and zip pocket and elastic pocket5 year warranty * 20X13x9 weighs 6 lbs, 28x17x12 weighs 10 lbs.