【Expandable Suitcase with Wheels】： This checked rolling luggage has an unexpanded size of 19.5 "x 11.5" x 15 "and a capacity of 55 liters. After opening the first expansion layer zipper, the size is 19.5 " x 11.5 "x 23.2" and the capacity is 85L. After opening the second expansion layer zipper, the size is: 19.5 "x 11.5" x 31.5 ", with a capacity of 115L. It fully meets your travel requirements, and the space can be adjusted at any time., 【Foldable Duffle Bag Luggage】： Our extra large wheeled duffle bag can be folded to a minimum size of 22 "x13.25" x7.5 "when not in use, saving a lot of storage space. It is very suitable for travel, weekends, vacations, and home moving. It is also sturdy and durable, and enough handle any situation., 【Equipped with 4 Spinner Wheels】：The wheels of collapsible rolling suitcase can rotate 360 degrees, making it more flexible and easy to pass through stations or airports. The 2 wheels are equipped with brake buttons, making luggage more stable when stationary., 【Hard Shell Bottom Design】: The bottom of the roller luggage bag uses a lighter integrated hard shell material, which is waterproof, easy to clean, and more stable when moving, making it less prone to tipping., 【Multifunctional】: This roller suitcase can be used for travel, business trips, weekends, home moving, road trips, shopping, and storing clothes. It can also be given as a gift to friends, lover, and family, perfect for both men and women.