Lightweight and durable made of 100% Polycarbonate and features like a combo lock, 4 spinner wheels, interior mesh, elastic straps and 3-Step retractable handle, expandable to 25% more packing space. 3 piece set: 20"" Carry-on: 20 x 14 x 9, 24"" Upright: 24 x 17 x 12, 28"" Upright: 28 x 20 x 12.