Features: Secure Bike Lock: 4 kinds of combination chain lock with resettable password safe and convenient 10 000 kinds of arrangement password security is more secure than other 3-digit locks. Reliable Material: Mountain bike lock is made of high strength zinc alloy lock strong and durable PVC wrapped grip anti-corrosion and anti-rust anti-scratch wear-resistant can be used for a long time. Outdoor Waterproof: The bike lock cable is made of waterproof material suitable for any outdoor locking scenario. Don't worry about the bike lock chain will be corroded and rusted by rain. Multi-purpose: Portable combination lock is light weight round design and long enough for bicycle motorcycle scooter stairs doors gates toolboxes lawn mower and many other uses. Customer Service: If you confront any problems about our products please feel free to contact us we are ready to help. We will solve your problems as soon as possible. Specification: Color: As Shown. Material: Steel. Size: Approx. 30.00*30.00*5.00cm/11.81*11.81*1.97in. includes: 1PC* Anti-Theft Code Lock. 3PCS* Keys. "