Material: The lock is made of high-quality materials, ensuring durability and long-lasting performance. Double Security: Features a zinc alloy shackle and a high-quality metal lock slot for added protection. The TSA certification provides security for your luggage during international travel. TSA Approved: This lock is TSA-approved, allowing authorized inspectors to open and inspect luggage without causing damage. Easy to Use: Smooth digital dial allows easy setup of a customizable 3-digit combination for secure access. Application: Suitable for suitcases, luggage, backpacks, storage bags, toolboxes, and other travel or storage needs. Ideal for international travel and business trips.