The back pocket, waist stool and large body are made of mesh fabric, which can easily emit heat and make the baby feel cool and comfortable without smell. The stool is warped to prevent the baby from slipping; The stool surface is covered with PU anti-skid layer, which not only has good anti-skid effect and no odor, but also does not hurt the baby wholesale; Stool core USES polyurethane material, strong, durable and tasteless, the decision is not the general foam; Back on the combination of mesh material, breathable, light, easy to operate;