The Deuter TSA (Travel Sentry Approved) Lock is a lock with an individual resettable 3-digit code. The lock contains a name tag. The lock is mainly intended to store items of less high value. You can also secure suitcases or luggage. To reset the code, open the lock and rotate the bracket 360 degrees. The lock makes trips to the United States ideal, customs can open and close the suitcase again without damaging the lock