ZHW 4 Digit Combination Steel Padlocks - Approved Travel Lock for Suitcases & Baggage (B00SSOPBKE) Protect your luggage with top quality 4-digit combination TSA-approved padlocks. Lock combination is resettable, set your own desired number combination, no keys to hold on to Suits for needs: luggage, backpack, jewelry boxes, hall locker, tool chests, gym locker, and extracurricular locker, home etc Numbers are easy to read,maneuver and set to your own preferred combination. TSA Approved Lock: Allows TSA screeners to inspect and relock baggage without damaging the lock, for added security.