This device can protect escapers who jump from high levels when there is a fire or an emergency. There are two kinds of cushions. One is a tube-shaped cushion inflated by air injection and the other a double safety cushion by fan.
Size(m) = 4.5 * 6.0 * 2.5 / 5.0 * 7.0 * 2.5
6.0 * 9.0 * 3.0 / 7.0 * 11 * 3.5.