Pixnor TSA Approved Travel Combination Cable Luggage Locks 3-Digit for Suitcases Backpacks 4 Pack Black Color: mainly black. Material: durable zinc alloy. Body size (H*W*T): about 4*3*1cm; Total height: about 10cm. TSA Approved Lock: Allows TSA screeners to inspect and relock baggage without damaging the lock, for added security. Easy to use, this 3-Digit combination lock protects your luggage with a personal coded lock. Can be used for locking luggage, suitcase, tool box, locker golf bag, bags, backpack, drawer, etc. The lock password can be resettable according to your own needs.