This 3 pc. set is made of polycarbonate/ABS. Polycarbonate is the same material used to manufacturer bulletproof glass. 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.   Multi-directional spinner wheels for easy maneuverability  Modern internal chrome telescoping handle with push button handle  Interior mesh and zip pocket and elastic pocket Luggage Types: Carry-On, Checked # Pieces In Set: 3 Included: 1 28" Upright(s) - 17x12x28"h, 1 24" Upright(s) - 15x10x24"h Boarding Bag Specifications: Wheeled Closure Type: Zipper Luggage Side: Hardside Luggage Wheel Type: Spinner Wheels Manufacturer Warranty: 5 Year Upright Luggage Specifications: Side Carry Handle, Wheeled Luggage Weight(s): 28 In Upright - 10 Pounds, 20 In Upright - 6 Pounds, 24 In Upright - 8 Pounds Base Material: 50% Acrylonitrile Butadiene Styrene, 50% Polycarbonate Lining Material: Polyester Care: Wipe Clean Country of Origin: Imported