1Small and light feature can relieve the child's back pressure, and the children will not feel tired for a long time. 2Use waterproof fabric, so you don't need to worry about the schoolbag getting wet any longer. 3Features with large capacity, it can hold children's books, snacks or some other things. 4The anti-lost rope interface design reduces the security risks of going out, and is a good helper for mom. 5The lovely shape is more in line with children's aesthetic, making children more happy to wear it.