Official TSA Locks® for travel TSA is the Transport Security Administration of the USA. TSA-recognized locks incorporate a security system from Travel Sentry,® which enables security personnel to examine the contents of your luggage without forcing your lock or damaging your bag. Your bags can then be re-locked and sent quickly on their way. Yale Travel TSA Locks® all incorporate Travel Sentry® technology for maximum peace of mind on the move. This travel padlock secures your luggage by locking the zips together. If your bag is inspected by security personnel, a red ring will appear to let you know or this. Features & Benefits - TSA recognized lock - Security inspection indicator - Tough & solid metal body - 3 digit combination can be reset whenever you wish If security personnel need to inspect your bag, they no longer need to cut your locks or force your bags open and risk damaging them. Locks that carry the Travel Sentry® logo allow security personnel to open your locks and re-lock your bags, sending them quickly on their way.