This 3 piece set is made of polycarbonate/ABS. Polycarbonate is the same material used to manufacturer bullet proof 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.  Luggage Types: Checked # Pieces In Set: 3 Included: 1 28" Upright(s), 1 20" Upright(s), 1 24" Upright(s) Features: Ergonomic Handle, Lightweight Closure Type: Zipper Luggage Side: Hardside Luggage Wheel Type: Spinner Wheels Manufacturer Warranty: 5 Year Luggage Weight(s): 28 In Upright – 10.6 Pounds, 20 In Upright - 6.5 Pounds, 24 In Upright - 8.5 Pounds Base Material: 100% Polycarbonate Lining Material: Nylon Boarding Bag Dimensions: 9 Depth/Inches, 13 Width/Inches, 20 Height/Inches Large Upright Overall Dimensions: 30 Height/Inches, 12 Width/Inches, 19 Depth/Inches Small Upright Case Dimensions: 13 Width/Inches, 20 Height/Inches, 9 Depth/Inches Medium Upright Overall Dimensions: 16 Depth/Inches, 16 Height/Inches, 10 Width/Inches Medium Upright Case Dimensions: 24 Height/Inches, 10 Depth/Inches, 16 Width/Inches Large Upright Case Dimensions: 19 Width/Inches, 28 Height/Inches, 12 Depth/Inches Small Upright Overall Dimensions: 9 Width/Inches, 22 Height/Inches, 13 Depth/Inches Case Dimensions: 10 Depth/Inches, 24 Height/Inches, 16 Width/Inches Care: Wipe Clean Country of Origin: Imported