GREAT BALANCE OF SIZE AND CAPACITY : KROSER carry on luggage fits in most airline overhead compartments. Including wheels and handles, 20 inch carry on luggage airline approved : 14.1 x 9.3 x 21.5", 7.04LB, Packing capacity 36L. Can fit in the overhead bin. The luggage is expandable. USB PORT DESIGN : Built-in USB PORT is convenient to charge your cell phone by the connected power bank in a safe way(POWER BANK is not included) Convenient Internal Structure The spacious main compartment is equipped with cross straps for easy storage of items. Waterproof compartment can hold toiletries and U-frame zippered compartment for privacy.