Description: 1. Ergonomics, labor-saving structure Distribute the baby's gravity evenly to the stool surface and the abdomen of the adult, making the adult more labor-saving and comfortable, and walking more steadily while saving effort 2. Travel with ease Relieve the burden of holding the baby's shoulders and waist freehand Single stool without belt bag, simple putting on and taking off, saving time and worry, visible quality Compression non-slip shoulder strap: ergonomic design, removable single shoulder strap to lengthen non-slip, non-stretch neck Lengthened breathable sponge pad: filled with a full breathable sponge, making the waist breathable and comfortable, reducing the pressure on the abdomen. Side storage bag: large-capacity storage bag on the side for convenient storage of daily necessities. large buckle: large waist , strong adhesion with safety buckle, double protection. EPP stool core: shock-absorbing support stool core, strong compression resistance, deformable and easy to rebound, adopts M-leg stretched leg Gula when the baby is asleep, to prevent O-legs Comfortable angle of 30 °, with a beveled stool surface, prevents the baby from sliding down and makes the baby fit the body of the parents naturally, keeping the baby's spine natural and comfortable Increase stool surface to prevent O-legs The difference between the round stool surface and the side wing retracted stool surface is that the baby with the round stool surface can sit on it instead of "riding" on it. A larger area of support at the base of the thigh makes the baby's lumbar spine more labor-saving, while avoiding "riding" on the stool surface to cause early "O" -shaped legs! Widen the belt to relieve the pressure on the waist Breathable comfortable cotton gauze Increase the wide buckle and intimate storage bag Specifications: Strap method: shoulders Strap function: multi-function Maximum load: 25kg Applicable age: 0-48 months size: one size Color: red, lake blue, sky blue, purple Applicable season: four seasons Package Included: 1*Waist stool back