This 3 pc. set is made of polycarbonate/ABS. Polycarbonate is the same material used to manufacturer bullet proof glass. This material is extremely lightweight, durable, and protects the contents of your luggage. Multi-directional double 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 5 year 22"x13. 5"x8. 5" (with wheels) weighs 6 lbs, 24"x15"x10" weighs 8 lbs, 28"x17"x12 weighs 10 lbs.