Four piece luggage set, expandable hard shell ABS material, equipped with dual universal wheels and TSA lock, suitable for long-distance travel (12/20/24/28 inches)

High - quality ABS Material: The hard shell is made of ABS material, which is sturdy and durable, resistant to impact, compression, and abrasion. It can effectively protect the items in the box, withstanding bumps and squeezes during the journey. Expandable Design: It has an expandable function, allowing you to increase the capacity as needed. This meets the storage needs when there are more items during long - distance travel, and flexibly adapts to different travel arrangements. Double universal wheel configuration: Equipped with double universal wheels that can rotate 360° freely. It is smooth and labor - saving to push. Whether on a flat road or in complex road conditions, it can turn and move easily, reducing the burden of the journey. Installing a TSA lock meets the customs security inspection standards. It not only ensures the safety of luggage and prevents items from being stolen, but also facilitates the customs to open the box for inspection without damage when necessary, making your trip more reassuring. It includes different sizes of 12/20/24/28 inches to meet diverse travel needs.Small sizes can be used as carry - on luggage, while large sizes are suitable for checked luggage.Suitable for various long - distance travel scenarios..syi