it luggage Pulsar Polypropylene 3 Piece Set, Black, One Size 3 piece set includes a 22 inch carry-on, a 25.6 inch medium trolley case and a 29.9 inch large trolley case (including wheels and handle) Made from impact resistant polypropylene, one of the toughest and most durable plastic made 4 multi-directional spinner wheels that rotates 360 degrees for easy maneuverability Single expander increases packing space by up to 25 percent 19.7 x 12.8 x 29.9