4 Digits, Anti-Theft Security:4-digit passwords provide 10,000 password combinations, which improves security and better protects your belongings. You can set any combination of numbers you want as your password, but remember your password. There is a password window on the side to better protect the password wheel High Quality Materials Sturdy Construction: The padlock is made of high quality zinc alloy. The padlock shackle is made of stainless steel, which is rust and corrosion resistant. It is the most durable and secure padlock Easy To Carry Easy To Use:The padlocks are extremely compact. A single bolt weight is 51 g. You can use them anywhere and without having to carry a key Wide Application:Designed for indoor and outdoor use, the lock is suitable for most light tasks such as changing rooms, cabinets, suitcases, wheels and general storage. No need to carry the key, you can use Diyife padlocks at any time