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 s : Material: Zinc alloy, PVC Lock Core: Alloy lock core Product Size: 13*15cm Color: Blue, orange, green, black Notes: 1. Due to the different monitor and light effect, the actual color maybe a slight different from the picture color. 2. Please allow 1-3cm differs due to manual measurement. Include: 1×Lock Bike Lock Cable