【Most Durable TSA Lock】Our TSA approved locks for luggage are built to be the strongest and toughest on the market. The lock body is made from durable, impact-resistant zinc alloy, perfect for rough airport handling. The reinforced braided steel cable is extra strong, and each lock is tested to withstand pulling forces of over 500 lbs. 【TSA Accepted & Inspection Indicator】All our suitcase locks are TSA approved. At 750+ airports in 75+ countries, TSA agents can inspect and relock your luggage without causing damage. A red indicator pops up when the combination lock has been opened, so you’ll know if your luggage was inspected. 【Upgraded TSA Lock Technology】Equipped with the latest TSA 008 technology for enhanced security and greater tamper resistance than older versions. TSA agents can open the travel lock with a special round master key that cannot be duplicated. 【Perfectly Sized】These tsa luggage locks with a flexible cable fit standard zipper holes and openings larger than 0.16". Perfect for suitcases, backpacks, laptop bags, sports bags, and duffel bags, and also handy for daily use on lockers, cabinets, and more. 【Extra Secure & Easy to Use】The 4-digit TSA approved lock offers 10,000 unique combinations, 10X more secure than standard 3-digit locks. Features an upgraded side reset switch for easy setup and resetting. The push button release opens the cable with one press. Smooth-turning dials align clearly and feature bold, high-contrast numbers for easy reading. 【5-Year Warranty】As a trusted, officially licensed TSA distributor, we’re so confident in the quality of our tsa approved luggage locks that we back them with a 5-year warranty. No questions asked. Travel worry-free with NovLock! TSA Approved Luggage Locks | Inspection Indicator, 4-Digit Combination, Durable Zinc Alloy | For Suitcases, Backpacks, Travel Bags | Blue, 2-Pack