TSA locks are required for all customers traveling to the USA. If the luggage is fitted with any lock other than those approved by the TSA, they will destroy whatever lock is fitted to gain access. Luggage locks approved by the TSA has a universal master key that will open the locks. Only the TSA has a copy of this master key. Every TSA approved lock has an identifying mark that shows it may be opened by the master key. All VIAGGI TSA locks feature the red TSA logo. Using this Travel Sentry approved locks allows your luggage to be opened, inspected and relocked by security authorities without damage.