The baby is in the toddler period and after learning to walk, will like to run around, without stopping for a moment, an inattentive will run to the road, anti-lost bag, bring security for the little baby, liberate the mother's tight nervous nucleus fatigue shoulder, but also give the child enough free space. This strap is breathable and comfortable in summer. 2. Metal hook, safe and durable anti-loss rope can be disassembled at any time, the shoulder strap can be freely adjusted, and the safety hook can also be disassembled.