HIGH SECURITY: Our bike lock is made of sturdy steel, strong and cut resistant. It can withstand high torsion and tensile strength. A must-have high security anti-theft bike lock for you FOLDABLE DESIGN: The bike lock has special rivets that make folding easy and flexible. With folding dimension: 6.6*5.5*7.5cm and enlarged size: 78cm, greatly reduces the size of the locker based on the larger lock space and makes the small padlock convenient to carry > EASY TO USE & STORE: the folding bike lock designed in a foldable way. Use the key to unlock and unfold the anti-theft chain to lock your bike. After use, you can store the folding bike lock in the included holder (which can be installed on the pole bike) WATERPROOF DESIGN: The anti-theft bike lock is coated with a lacquer Made of waterproof and dustproof ABS rubber, which will not cause any scratches to your valuables and effectively protect it from rust, oxidation and corrosion. It noticeably improves the life of the lock CARE DESIGN