This 4-piece luggage set includes 20", 24", and 28"suitcases and a bag. The 20" and 24" suitcases have front laptop pockets. The suitcases are made of ABS PC, lightweight and durable. The upgraded TSA lock and strong zipper ensure security. The silent universal wheels and adjustable handle offer smooth movement. It has multiple compartments and upgraded lining. The expandable bag provides more storage space. The bag can be used alone or with the suitcases.