TSA APPROVED:Luggage locks are Travel Sentry approved, allowing TSA agents to unlock your luggage for security inspection with an official master key. If your luggage is ever opened with this lock, the red alert indicator at the top will show to let you know as soon as you pick them up at the airport. EASY TO USE: Adjustment is super easy with the flip-and-set button at the bottom. The high contrast of the large white numbers on the black wheels makes it easy to read. It is an easy to use combo lock that is suitable for both young than to the less young. SECURE AND SOLID: Resettable 4-digit combination TSA locks allow you to set your own code with 10,000 options. The slide-to-open feature is advanced and unique among TSA locks on the market, very resistant to technical and violent unlocking. FLEXIBLE CABLE DESIGN: Flexible cable (4mm) passes through all standard size zippers on suitcase, backpack, briefcase etc. With a total length of 5.5 inches, the reinforced cable can connect 2-3 sets of zippers at a time to secure the whole suitcase or bag. It's also a perfect locker padlock for the gym, school, drawers, etc. BUY WITH CONFIDENCE: Your purchase is protected by a one-year warranty and lifetime technical support. If there is any problem with our tsa approved cable locks, please do not hesitate to contact us immediately. We are always here to offer you 24/7 customer service. 25% of thefts at the airport occur during baggage handling, where unsecured baggage is most often brought into view. A suitcase lock is required to prevent easy access to our belongings.