This seat cushion is specially designed for children under 2 years old.Babies will start to learn to sit on their own when they are about five months old. This seat cushion can help children adjust their sitting posture. It also allows parents to rest for a while, watch their children while doing their own things, and prevent children from crawling or falling. inverted.The material is made of three-dimensional PP cotton, and the fabric is skin-friendly crystal velvet, which can be cleaned as a whole without deformation. The interior of the cushion is full and the edges are tightly stitched. With a waist belt and two chair fixing buckles, it can be installed on an adult seat to protect children's safety when there is no special seat for children. There are anti-slip particles on the bottom. The size of the chair is 40cm long, and the front and back heights are 25cm and 32cm respectively, providing perfect protection.