The Hardshell ABS Luggage Set includes four sizes, a 12-inch case at 12 by 6.1 by 10 inches and 1.54 pounds, a 20-inch carry-on at 14.2 by 9.4 by 20.9 inches and 5.73 pounds, a 24-inch at 17.3 by 10.6 by 26.4 inches and 7.83 pounds, and a 28-inch check-in at 19.7 by 11.8 by 30.3 inches and 9.48 pounds. Made from lightweight durable ABS with hardshell protection against impacts, featuring 360-degree dual spinner wheels for easy movement. The interior has tear-resistant lining with zippered compartments and X-tie straps for organization. The 12-inch case attaches to larger handles for consolidated rolling. Includes an expandable duffel bag with trolley sleeve and an 8-piece packing cube set. All cases nest for compact storage. Built-in combination lock for security. Suitable for both short business trips and long vacations.