Review on Lumintrail TSA Approved Lock For Luggage Or Suitcase, Easy-To-Read 3 Digit Personalized Combination, Metal Travel Suitcase Luggage Lock, Red, With A 4-FT Braided Steel Cable (2 Pack) by Heather Young

These locks and cables are fantastic. I have not used them on travel yet but I can see why a thief would look elsewhere! Each lock has a mini cable that easily threads through the opening in each zipper pull. It is flexible so it is easy to bend around to lock many zippers together. I'm using the set of four locks to secure my suitcase and backpack. In the package I received 7 4-ft cables too! The picture only shows one though. These will be plenty to secure my bags to the luggage rack on the trains. I strongly suggest that you consider this product. I think you will be quite pleased!