Keep toddlers close to you and at the same time give them independence during indoor or outdoor activities. Easy to use: All you need to do is connect the wristbands to adult's and kids' hands respectively. The shrinking chain can extend up to 2.5 meters. The wrist strap circumference of kids hand side (the smaller side) can be adjusted up to 14 CM. Soft & Comfortable: Soft double layers of hook and loop for kids' hands, not easy to take off by themselves. The size of wrist strap can be adjusted according to your need, the soft sponge pad in the wrist strap makes it comfortable to wear for both adults and kids. Durable: The coiled cord is made of stainless steel and wrapped with plastic, so please never worry that it will be cut off by knife. It is linked to the wrist strap with metal connectors which can freely rotate 360 degrees. Attention: Only used to prevent children from getting lost. Please do not use it as a walking training device. After wearing the wrist link, caregivers should follow close behind their children to prevent them from running too fast and falling back because of the shrinking chain.