Features: Enhanced securitys: Our lock is designed with a unique anti-theft chain, providing reliable protection. Take your bike anywherec with confidences! Material: The lock is made from alloy steel. It can resist cutting tools and other types of impact, maintaining its functionality. Protection is guaranteed for many years. Theft-Proof and Waterproof Design: The lock core-surfaces is fully sprayed with rubber lacquer, and the anti-impact bumper during transportation reduces noise, effectively prevent damage to the bike frame, and can be directly locked on the lock frame, protecting the folding lock and prevent the lock from being locked. Easy To Carry, Compact, and Flexible: The Folding lock fits most bikes, it easy to carry featuring special rivets that make folding easy. Design: 26 section zinc alloy chain, not easy to saw off, strong and sturdy Comes with a special quality plastic base for storage, which can be installed in multiple places on the bikes Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: Zinc alloy lock body + ABS plastic outer layer Length: Approximately 85cm (unfolded) Key: Stainless steel Accessories: Binding screws*2, keys*3, lock frame*1, instruction manual*1