Comfortable and durable material the seat cushion is made of PVC composite nylon cloth which is breathable and comfortable It can bear a weight of about 250 pounds so you can sit with confidence and it is not easy to damage Easy to use the inflatable square cushion can be fixed designed with 4 holes which is fixed on the seat and is not easy to fall When the air cushion is applied and collected please avoid contact with pointed 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 Satisfy 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 fitting for many occasions such as home offices schools wheelchairs Thoughtful square design the inflatable seat cushion is widened and enlarged 193 x 189 inch in size manual measurement will have an error wrapping your hips in any aspects The square shape fits your lower body shape providing the better comfort Not as small as an inflatable doughnut Easy to clean clean the surface of inflatable square cushion with a soft brush or damp cloth and then dry but do not use a washing machine for cleaning Warm reminders please according to the specific situation to determine the amount of inflation of the inflatable cushion to avoid falling