Material: Hard-shell exterior, often PC or ABS+PC blend, with an aluminium frame for durability.
Mobility: Equipped with silent, double-row spinner wheels for smooth 360-degree movement.
Handle: Features a high-strength, lightweight wide handle system for easy maneuvering.
Security: Includes an integrated anti-theft or TSA-approved combination lock.
Functionality: Many similar models also feature a front-opening laptop compartment or USB charging ports.