This 3 pc. Set is made of Polypropylene, which is extremely lightweight and durable. Aero brings the maneuverability and strength that customers have come to expect, combined with a contemporary and new design. Features a linear grooved design front combining matte and shine for an ultra modern look. Side mounted TSA 3-dial combination locks ensure security. Waterproof zippers ensure your belongings are safe from the elements. Double suspension spinner wheels for easy mobility. Full zip interior divider and cross straps for increased packing organization. Case measurements: 19"x15"x7.5", 6.1 lbs, 23"x17"x9", 8.1 lbs., 27"x19"x10", 9.25 lbs. Wheels will add 2" to height measurent noted.