Our 26mm combination lock is ideal for holiday luggage being brightly coloured to help you identify which bag is yours it has a three dial combination for you to enter your own secret code and comes with full instructions on how to set itthe lock is tsa approved which means customs in north america and the uk can access your suitcase for inspection if needed without damaging your lock and lock it again so your baggage is secure for the rest of your journey generally non tsa locks cant be