1. Made of ABS material, high-strength and durable. 2. The wire rope is retractable, and its length up to 82cm. 3. Portable and convenient to use. 4. Scope of application: suitcase, trolley case, computer, projector and so on 5. The initial password: 0-0-0. 6. Retract the wire rope,and keep press its head, than you can roll the password wheel to change password.