Product information: Material: zinc alloy, stainless steel Size: 4.7 x 7.9cm Color: black, green, blue, red style: modern minimalist Package list: 4 metal combination padlock For All-weather design The combination locks are made Zinc Alloy and stainless steel with painted surface, which is textured, waterproof, rust-proof, durable and long lasting. Ready for all-whether days. Easy to Read With large numbers in the side window, the passwords are easy to read and you can lock and unlock the padlock in seconds in daily use. High security Padlocks with 4-digit code provides 10,000 combinations, which effectively discourages the thief to crack the code. How to use: 1. The factory's initial password is 0-0-0-0, align the scale line, pull up the lock hook to open the combination padlock. 2. Rotate the lock hook 90°, align it with the slot of the lock hole, and press it firmly to the end (note: be sure to press it to the end, otherwise it will cause a code error) 3. Turn the number wheel and set the password you want. 4. Pull up the lock hook, rotate it 90° to the original position, then the password is set successfully. Note: Please remember the password, once forgotten, the password cannot be retrieved.