This lock is made of strength alloy steel and environment-friendly ABS engineering plastics. It can keep you away from bicycles burglary. It is stable and durable, and is the best partner for outdoor cycling. Also easy to install and remove.Features- Color: As shown.- Material: Alloy steel and ABS- Size: 150.00X4.00X4.00cm/58.95X1.57X1.57 inch.- Five-digit password chain lock, secure and anti-theft real material.- Premium alloy steel and environment-friendly ABS engineering plastics.- Compact and portable, easy to carry out and will not occupy your much storage space.- Setting your own 5-digit combination prevents thieves from using the universal key to unlock your lock.- Durable, brightness lock, protective coating, rust prevention, long enough. Packing list: 1 x bike lock