Durable& Reusable: The anti-lost link is made from anti-cut stainless steel materials. Its surface includes PU materials which won’t 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 tripped Key Lock Design: our upgraded toddler leash is a safety wrist link with a key attached to the wristband. The toddler wrist leash can’t be opened without keys Adjustable 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, It’s perfect for zoo, park, airport, trip, fairs, museums, more crowded areas 2 Different Usage: ①Children wearing as a belt with anti lost wrist link; ② Using the anti lost wrist link both on parent’s and kid’s hands. 2 different usages can meet your various DIY combination needs, Not only let kids walk freely, but also free your hands and arms Reflective design: The traction rope and wrist link can reflect light at night, making it easier for you and your child to be detected by people or vehicles, further ensuring your safety