Easy to use: All you have to do is to attach the wristband to the hands of adults and children.The shrink chain can be extended to 1.5 meters, and the circumference of the wristband on the childs hand side (smaller side) can be adjusted to 14 CM.Soft and comfortable: The soft double-layer hook and loop are suitable for childrens hands and are not easy to take off by themselves. The size of the wristband can be adjusted according to your needs. The soft foam pad in the wristband makes it comfortable for both adults and children to wear.Durable: The connecting rope is made of stainless steel and wrapped in plastic, so there is no need to worry about being cut by a knife. It is linked to the wristband through a metal connector that can freely rotate 360 degrees.Anti-lost: It is only used to prevent children from getting lost when going out, but cannot prevent children from falling and cannot be used as a walking training device. It is recommended for children over 5 years old.