Four multi-directional split spherical spinner wheels for easy mobility. Rolls upright so there is no weight on your arm or shoulder. Unique angled carry-on taper on the 22 inch is designed to fit the shape of the overhead binFully-featured interiors with wetpak, mesh and modesty pockets for increased organizationFull-zip, compression panels keep clothes neatly packed while travelingFlush-mounted travel sentry combination lock provides additional peace of mind when checking belongings.Textured TPR coated, gel-infused, push-button locking handle provides a comfortable grip