This pair of US air key locks from Samsonite are just what you require if you are flying out to the United States on business or for a holiday trip. The US air key locks have been approved by the TSA. Each lock has a unique TSA code that alerts the TSA that they can open your luggage without destroying the lock during airport baggage inspections. This set includes 2 locks and 4 keys. The US air key locks are constructed out of zinc-alloy and ABS plastic to give you a sturdy lock. These distinctive black locks stand out from other designs, making it easier for you to track down your luggage at the carousel in arrivals.