1. Material: alloy + canvas 2. Suitable for bicycles, electric vehicles, scooters, iron doors 3. Five-digit dial, thousands of passwords can be combined at will 4. Zinc alloy lock core, strong and reliable 5. High-strength steel chain, effectively respond to violent damage 6. The canvas cover effectively isolates the chain, is stable and non-slip, and does not damage the car paint. 7. Compact and portable, easy to travel 8. Electroplating process, wear-resistant and anti-slip