Durable& Reusable: The anti-lost link is made from anti-cut stainless steel materials. Its surface includes PU materials which wont be cut unless special tools are used, 360 swivel head allows your child to play and run freely without worrying that your child will be trippedKey Lock Design: our upgraded toddler leash is a safety wrist link with a key attached to the wristband. The toddler wrist leash cant be opened without keysAdjustable Design: Both the kids leash belt and the anti-lost wrist link can be adjusted. The shortest length of the belt is 50cm/19.7 inch, and the longest can extend to 80cm/ 31.5 inch. The kids wrist link can be stretched with a maximum length of 2m/ 6.56 ft, Its perfect for zoo, park, airport, trip, fairs, museums, more crowded areasNight Reflective DesignEven at night, you can see the anti-light chain under the reflective tape. Make it easier for you and your child to be spotted by people or vehicles, further ensuring your safety2 Different Usage: Children wearing as a belt with anti lost wrist link; Using the anti lost wrist link both on parents and kids hands. 2 different usages can meet your various DIY combination needs, Not only let kids walk freely, but also free your hands and arms