The LUGGEX 3 piece luggage set includes a 20 inch carry on a 24 inch checked bag and a 28 inch large suitcase for trips from weekends to family travel. Each suitcase expands up to 15 percent for extra shopping and souvenirs. The lightweight ABS hardshell resists cracks and scuffs. Double spinner wheels roll quietly over carpet tile or cobblestones. TSA approved locks let you breeze through security without cutting zippers or damaging your bag. Whether you are a frequent flyer or a busy parent this set removes the stress of packing.