Our Donut Cushion was designed with you in mind！ The cushion was made to provide comfortable and stress-free sitting.It supports the pelvic and lumbar regions, thus reducing the fatigue caused by prolonged sitting.Inflate the cushion to suit your needs. For a firmer seat, add more air into the cushion using your pump. If you require less pressure, deflate the cushion to suit. The cushion will fit to the shape of your body and is non-slip. Wide Application Folds up small and discrete for transport. Take it in the car, work, bath, plane. The possibilities are endless. Specfication Material : Soft PVC Color : Blue Package Include : 1X Donut Pillow ,1 x Pump Easy to inflate by the air pump included in the kit. With our included air pump, you will always be able to inflate your cushion quickly. Soft & durable nylon material conforms to your body for superior cushioning while resisting punctures and leaks. Feature Won't leave impression marks on your skin. Effortlessly deflated with the use of just two fingers. It is lightweight and small portable design fits in your pocket.