Secure multiple zippers on your luggage with a single lock. These padlocks have a flexible shackle that threads through many points and bends around corners. With more vertical clearance than standard shackles, it also fits large hasps. However, it's thinner, making it easier to cut. These padlocks open with a master key kept by TSA workers, so they can access your bag without breaking the lock. A name tag on one side means they double as a luggage ID. Set your own combination and change it at any time.