Pvc,fabric,nylon Comfortable and durable material: the seat cushion is made of PVC composite nylon fabric, breathable and comfortable; It can bear a weight of about 250 pounds, so you can sit down with confidence, and it is not easy to be damaged Easy to use: the inflatable square cushion can be fixed, designed with 4 holes, which is fixed on the seat and not easy to fall off; When the air cushion is applied and collected, please avoid contact with sharp objects; The gift pump can inflate the cushion at any time; When not in use, the air cushion can be folded and placed without occupying space, which is convenient to carry Meet sedentary needs: comfortable air cushions reduce the pressure of sedentary sitting, reduce discomfort, promote good posture and healthy weight distribution, and allow you to sit comfortably for several hours, suitable for many occasions, such as home, offices, schools , wheelchairs Easy to clean: clean the surface of the inflatable square cushion with a soft