1、This bicycle is made of tough steel wire and environmentally friendly plastic body. 2、It's suitable for multiple occasions. ​It can be a practical password lock for bicycles, motor bikes, baby carts, and many other things. 3、The maximum length of the steel wire can be stretched to about 62cm. 4、Lightweight and small size, you can carry it to anywhere easily. 5、The structure is simple, very easy to use and lock stuff. Features: This bicycle is made of tough steel wire and environmentally friendly plastic body. It's suitable for multiple occasions. It can be a practical password lock for bicycles, motor bikes, baby carts, and many other things. The maximum length of the steel wire can be stretched to about 62cm. Lightweight and small size, you can carry it to anywhere easily. The structure is simple, very easy to use and lock stuff. Specification: Material: steel + plastic Color: black Size: Approx. 9*6.5*1.2cm / 3.54*2.56*0.47in; steel wire length-62cm / 24.41in Weight: Approx. 79.8g Package List: 1 x Bicycle Lock Password Changing Guide: The initial password is 000, you can set any three-digit password. Press down the lock cylinder before changing the password. Slide three different digits to set your own password. Pull the lock cylinder to finish the changing. Note: The length of steel wire is adjustable in the non-locking state, and it cannot be adjusted in the locking state.