This inflatable seat can reduce local body position pressure, relief body fatigue, improve local feeding conditions, prevent the production of bedsores, and assist in the treatment of bedsores. Do as a "Perfect Parnert" for person who needs a wheelchair. Features: It could be easily fold, which mean you could carry it around with you. Help to reduce hip soreness, relief body fatigue and grow hemorrhoids. It also do as a "Perfect Parnert" for person who needs a wheelchair. It is comfortable breathable, and very durable. Help to disperse the buttocks pressure and prevent hemorrhoids. Specification: Item Type: Seat Cushion / Back Cushion Shape: Oval Style: Modern Unpick And Wash: Washable Material: PVC Color: Blue Package Size: 18 x 11.5 x 3.5cm / 7.1 x 4.5 x 1.4inch Package Weight: Approx. 293 g Package List: 1 x Inflatable Cushion 1 x Inflator Usage: (Inflation Steps) 1. Insert The Air Pump Outlet Into The Air Inlet. 2. Inflate The Air Nozzle Will Be Tight, So As Not To Leak. (Deflation Steps) 1. Gently Pull The Seal Out And Seal The Seal. 2. Cuff Tight Seal, Hear "Ci Ci" Sound Can Be Deflated. Note: It is forbidden to directly touch the sharp and hard objects to prevent the puncture and air leakage.