Product Description: Quantity: 1set Color: blue There is chromatic aberration [Three different usage] : Children wearing as a backpack with a rein; 2. With the hanging buckle, one end of the anti lost wrist link can attach to children's back, and one end on parents' hand; 3. Using the anti lost wrist link both on parent's and kid's hands. [Can be extended to 1.5 meters.]Baby traction rope Can be used in a wide variety of places such as supermarkets, roads and parks. The safety lock model with the unlocking device, which the child and others can't unlock, is a safety prop that can prevent the child from being lost in the bustling area. [Safety Key Lock]: Upgraded key lock provides an extra level of security. The anti lost wrist link is made up of stainless steel wire and durable PU material which is safe to human body and is difficult to be cut off by knife. [Environmental Fabrics] : The anti lost wrist link is made up of stainless steel wire and durable PU material which is safe to human body and is difficult to be cut off by knife.Cotton cloth + steel wire + reflective material; environmental fabrics, easy to use, wrist straps are soft no friction, excellent ventilation, comfortable and breathable. [Good feel, 360-degree rotation]: Child Safety Strap use a cushioning material that feels good to the skin, breathable, easy and securely placed, safe and reliable. Between the steel wire and the root of the wrist is a structure that can rotate 360 degrees freely, which not only gives the child a wider range of activities, but also is not affected by the adults height difference with the child.