Four, multi-directional spherical spinner wheels for easy mobility. Rolls upright so there is no weight on your arm or shoulder. Gel-infused, push-button locking handle provides a comfortable grip. Full featured interior includes WetPak , mesh and modesty pockets for increased organization. Tri-fold removable suiter provides added protection for business attire. Case expands for added packing capacity. Features a Travel Sentry combination lock for added peace of mind when checking in. SamGuard Protection - rugged Tri-core nylon fabric features a water resistant coating. Hidden, tethered ID tag for added identity security. Materials: Tricore Nylon. Dimensions: 11L x 21W x 29.5H; Weight:12.5 lbs.