Product DescriptionMaterial: plush + PVC liningSize: inner diameter cm, outer diameter 38 cmColor: dark blue, light brown, grayRecommended for prolonged sitting / bedsores / tailbone fracture / tailbone pain / pelvic floor pain / pregnancyPackage contents. 1*inflatable cushion that1. super thrust Our seat cushion is an excellent hemorrhoid pillow; donut pillow for pregnancy; donut pillow for tailbone discomfort; and medical donut cushion. You can take it anywhere you want to go.2. Comfort and durability: Soft, durable plush + PVC lining material conforms to your body for superior cushioning while preventing punctures and leaks. Can withstand up to 198 pounds of weight.3. Easy inflation: quick and easy inflation with the mouth or the included air pump. Other cushions are difficult to inflate and can make you feel breathless. With our included air pump, you will always be able to inflate your cushion quickly and easily.4. Easy to clean: The cover of this cushion is made of polyester, which is hypoallergenic and washable, providing you with a safe and clean cushion. The built-in inflation port, unlike the metal port, avoids discomfort for patients when using it.5. Versatility. This cushion is perfect for use when traveling. The entire set fits into the provided carrying bag, so you can take it with you wherever you go You can use it at home, in the office/workplace, on vacation, in the car and on the plane.