Hi, Dear little angel, welcome to Jacenvly, our products are cheap and good quality, price is fair, you can't miss it. If this product is not your style, please click on our store, we have many kinds of products, there will be you like and suits you. If you have any questions about your purchase, please send us the first message, we offer world class customer service to make your purchase without your worries. Have a nice day. Bike Lock Cable Locks for Bicycle Heavy Duty Combination Chain Security Digital Features: Compact and easy to carry, alloy lock, multi-style lock car, password security is more secure, soft PVC Instructions of reseting passwords: Firstly, open the lock with password , the password is 0000. Secondly, turn the built-in knob. , set the new password ,i.e, the combination. Last, back the built-in knob. Specifications: Material: PVC Product weight: 100 grams Product size: 14.5x12.5cm Packing list: 1 x Bike Lock Cable Features: Compact and easy to carry, alloy lock, multi-style lock car, password security is more secure, soft PVC Instructions of reseting passwords: Firstly, open the lock with password , the password is 0000. Secondly, turn the built-in knob. , set the new password ,i.e, the combination. Last, back the built-in knob.