This 3 pc. Set is made of 1200D Polyester. Four 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 aluminum telescoping handle with push button handle. Interior mesh and zip pocket and elastic pocket * 5 year warranty * 20"X14"x9" weighs 9 lbs 24" x16"x10" weights 10 lbs 28"x18"x11" weighs 11 lbs.