Carry-On sized luggage designed to fit in most airlines' overhead compartments; may not conform to some airlines' carry-on standards Inline skate wheels are constructed of polyurethane with ball bearings to minimize frictional resistance, offer durability and reduced resistance for smooth rolling Top carry handle allows you to lift the case with ease and comfort, or carry it by hand when rolling isn't an option Side carry handle allows you to lift the case with ease and comfort Expands an additional 2"