Discover United Colors Of American Tourister with Inline skate wheels - are constructed of polyurethane with ball bearings to minimize frictional resistance, offer durability and reduced resistance for smooth rolling.Mono-tube handle. Locks in place in both the fully extended and stored positions for secure traveling.Ultra light-weight construction. Reinforced corners defend against the harshest travel conditions. Push button locking handle. Smart sleeve on boarding bag for easy travel.