MaterialThe customs lock is made of high quality materials. The material is sturdy, durable, the quality is guaranteed, and it will not be easily damaged. Double SecurityIt adopts zinc alloy shackle design, high-quality metal lock slot, provides double protection. The TSA customs lock certification mark ensures the safety of your luggage and facilitates your travel abroad. TSA ApprovedOur lock is TSA-approved lock, so it won't be checked by brute force lock picking when going through customs baggage inspection. Easy to UseThe digital gear scrolls smoothly. You can set up your private password and make a free combination of 3 digits to protect your luggage. ApplicationThis combination lock can be used to lock suitcases, luggage, backpacks, storage bags, tool boxes and more. It is a necessary lock for overseas travel and business trips.