Portable bike lock - Outer layer: high quality nylon and inner layer: durable stainless steel for strong protection. The password wheel is made of ABS material, delivering reliable anti-theft performance to help keep your bike safe. - Cable tie lock: about 56 cm in length with a cable tie design that freely adjusts to meet different anti-theft needs. Flexible and easy to open and close. - Three-digit password: uses a three-digit code with no key required. One-key unlock and simple, flexible locking for everyday use. - Wide range of applications: suitable for bicycles, helmets, suitcases, skis, scooters, and other outdoor gear. Also useful for lockers and doors, making it a versatile security option when traveling or in various settings. Use scenarios - Travel and commuting: secure your bicycle or scooter to a rack or post while you run errands, without carrying a key. - Luggage and gear protection: lock helmets, suitcases, or sports gear to keep them secure in transit or at hotels and hostel shared spaces. - Dorms, gyms, and lockers: use the lock to protect personal belongings and lockers, offering convenient, keyless access. Materials and construction - Outer: nylon - Inner: stainless steel - Password mechanism: ABS wheel - Length: approximately 56 cm This lock provides a practical, keyless security option with a strong construction and flexible use across common outdoor and travel scenarios.