The hard plastic shell of the suitcase is made of ABS+PC, providing significant benefits. It undergoes rigorous quality control testing to ensure durability. The small suitcase may be stored inside the larger one if you plan to purchase two or three. With an integrated TSA lock, you can keep your items secure. Maneuver easily with the spinner wheels and adjustable telescoping handle. The interior is fully lined with organizational pockets to simplify packing. Three different sizes are available, with only the 28inch being expandable. The product originates from China.