1. Made of non-toxic and odorless PVC materials, harmless to the human body, in line with EU environmental testing standards and requirements. 2. The shell is made of high-quality ABS material, which will not crack at low temperatures and will not deform at high temperatures of 40 degrees. 3. The key and lock cylinder are made of high quality copper with strong wear resistance and not easy to break and deform. 4. Each key is opened by a fully automatic computer embossing machine, each key is surely different. 5. The length of the lock is 120cm, convenient to use. Specification: Features: 1. Made of non-toxic and odorless PVC materials, harm to human body, in line with EU environmental testing standards and requirements. 2. The shell is made of high-quality ABS material, which will not crack at low temperatures and will not deform at high temperatures of 40 degrees. 3. The key and lock cylinder are made of high quality copper with strong wear resistance and not easy to break and deform. 4. Each key is opened by a fully automatic computer embossing machine, each key is surely different. 5. The length of the lock is 120cm, convenient to use. Specification: Material: Steel Color: as pictures shown Lock Cylinder: resistant to sawing and drilling Application: bicycle, folding door, glass door. Wire diameter: approx. 1.2cm/0.5in Total Length: Approx. 120cm/47.2inch Weight: Approx. 340g Package List: 1 * Lock 1 * Lock Bracket 2 * Keys Note: 1. Make sure the lock is on before riding. 2. Place the padlock in the basket or away from the wheel after opening 3. Add lubricating oil to the lock core regularly to extend its service life. 4. Anti-theft lock means parked the bicycle in the vehicle garage or locked with guardrails and fixed objects. 5. Please put on the waterproof cover when using in rainy days.