Premium Material - The combination lock is made of high-strength zinc alloy, which is rust-proof and corrosion-resistant, making it almost impossible to cut or crack with conventional tools. It will not deform or break under prolonged use. 3-Digit Combination Lock - The travel case lock can be combined from 1000 password combinations, which is not easy to be cracked by others, it is very safe and can also be unlocked without the embarrassment of losing the key and not being stolen. The original password is 000, which you can change by yourself. Mobile Security - 4 different color coded mini locks. With a size of about 1.5 x 5.2 inches and a diameter of 0.25 cm, it can easily pass through all common hinges and holes. Compact, it is convenient to carry and store. Easy to Use - Setting or resetting your own combination is simple and easy. Press the reset button and reset your password. TIPS: Take a photo of the number combination after entering your password so you won't forget it later. Wide Application - The flexible cable can pass through all standard-sized zippers on suitcases, backpacks, travel bags, and briefcases, etc. With a total length of 13.5 cm, the reinforced cable can connect 2 or 3 sets of zippers at the same time to secure the entire suitcase or bag. Ideal as a travel lock or locker lock for gym, school, drawers, toolbox, locker, etc.