EXPANDABILITY: The hidden expandable space design of this luggage can increase the expansion capacity by about 20% after expansion, which is equivalent to increasing the capacity of a backpack. With this luggage you can carry anything with ease DURABLE WHEELS: The wheels determine the durability of the luggage. This rolling suitcase has upgraded the wheel design with double Spinner wheels, which are smoother, more wear-resistant and shock absorbing EASY ORGANIZATION: This luggage bag is designed with dry and wet compartments. Allows you to separate your clothes from your belongings. It is also equipped with a small document strap to organize your important items and documents more efficiently, which is perfect for business trips ENGINEERING DESIGN: This roller suitcase has a reinforced top handle and integrated side and bottom handles that make it easy to lift and carry your luggage. With the 4 spinner wheels, the luggage will stand up steadily, so you can pack as much as you want without fear of tipping over SECURE AND DURABLE: Expandable travel case provides ample parking space and is made of durable, abrasion-resistant oxford fabric that is fully lined; Equipped with metal cylinder TSA lock, this travel gives you peace of mind when checking in or out Carry-on luggage