This air sofa is made up of polyester 210D. Easy to inflate, portable, waterproof, Leakage prevention, big bearing capacity. If there is wind, put the mouth of the sofa against wind. If no wind, take it and run for around 10 meters. When 80% space inside the sofa is filled with air, roll the mouth to seal it and lock the buckle. Different color and logo could all be customized as your request.