Approved: , allows transport security personnel to unlock your luggage with the official key for security checks. If your bag is already open, the red alert indicator on the top will alert you as soon as you jack up. EASY TO USE: With tilting and adjustable knobs, adjustment is very easy. The black wheels feature large, high contrast white numbers for easy reading. Advanced damping inside allows each dial to engage with better accuracy and a code-aligned feel. Secure and Strong: The Resettable 4-Digit Combination TSA Travel Padlock lets you set your own combination with 10,000 options. The sliding type is advanced and unique among TSA locks on the market, and has strong resistance to technical and violent unlocking. Flexible Cable: The flexible cable (4mm) will pass through all standard size zippers on suitcases, backpacks, briefcases etc. The total length is 14cm, and the reinforcement line can connect 2-3 sets of zippers at a time to fix the whole sleeve or bag. Not only for suitcase locks, it's also ideal for gym lockers, school, drawers, etc. Buy with confidence. If you have any questions about our cable locks, please contact us today.