Three-step telescopic rod adjustment: This suitcase is equipped with a three-step telescopic aluminum rod that can freely adjust the height as needed to suit different body types and user needs, making the push and pull smoother and more comfortable. Quiet 360-degree wheels: The suitcase features a 360-degree quiet wheel design that makes it easier and more flexible for you to move your suitcase in a busy airport or train station environment. No noise when walking or turning. Two wheels with brakes. ABS material: The housing is made of strong ABS material with excellent compressive strength and durability. It can effectively protect the contents of the luggage from external influences and damage. Besides, it is easy and can lighten your burden. TSA lock: Luggage carts with TSA locks are ideal for international travel because TSA locks securely store your valuables and allow airport staff to inspect your luggage without opening the lock. Plenty of internal storage: There is plenty of room inside the suitcase to store your clothes, shoes, toiletries, and other travel supplies. In addition, there are mesh bags and cross belts to help organize items. Multi-functional design: Our luggage is designed in an innovative way to easily expand the luggage capacity to a range of 3-5 cm. This means that you have the flexibility to add extra space if needed to best suit your individual travel needs.