The aero soft side collection by delsey is the soft side family member to the top rated collection, helium aero by delsey. This fully featured carry on suitcase offers all of the components of the hardside collection with the flexibility of a soft side suitcase. This case is expandable up to 2 inches, has four double spinner wheels for extra stability and ease of use, dual locking handle, and fully lined interior with tie down straps and multiple interior compartments including wet pocket and zippered mesh pocket for small accessories. The exterior of the case has 2 zippered pockets for last minute items, as well as a kick plate for stability, top, side and bottom carry handles for overhead bins or car lifting. An integrated id tag on the side of the case keeps personal information hidden. Worldwide limited 10 year warranty. If your bag is overstuffed, it may not be approved for carry-on use by the airlines.