Reliable material and durable construction Made with PVC that resists food stains and liquid spills, keeping the cushion ready for use. Designed as a portable inflatable cushion and a sofa antifall seat. Effortless setup and convenient maintenance Quick inflation and deflation mechanism for easy installation and storage, saving time and effort. Includes an inner liner for the cushion and an inflatable back pillow for travel. Enhanced comfort and versatile support Provides reliable support for prolonged sitting and improves comfort during meals. Functions as a selfinflatable portable cushion and a cushion insert for added seating convenience. Compact and portable design Lightweight and easy to pack, making it a practical seating solution for families. Suitable as a chair accessory, chair pillows, and seat cushions. 23 practical use scenarios Home dining: place on dining chairs to reduce fatigue during meals and provide stable seating. Travel and on the go: use the inflatable back pillow for comfort on car trips or plane travel; quick reinflation between uses. Living room or office: use as a sofa antifall seat or additional chair cushion to improve stability and comfort during long work or leisure sessions.