Product description Material: Plush+PVC Liner Size: inner diameter cm, outer diameter 38cm Color: dark blue, light brown, gray Recommended for: sedentary/bedsore/coccyx fracture/coccygeal pain/pelvic floor pain/pregnancy Package Contents: 1*Inflatable Cushion, 1*Pump 1.SUPERIOR CUSHIONING Our seat cushion is an excellent pillow for hemorrhoids; a donut pillow for pregnancy; a donut pillow for coccyx discomfort; and a medical donut cushion. You can take it anywhere you want. 2. COMFORTABLE AND DURABLE: Soft and durable plush + PVC lining material conforms to your body, providing superior cushioning while preventing punctures and leaks. Holds up to 198 lbs. 3.EASY inflation: Quickly and easily inflate via mouth or the included air pump. Other cushions are difficult to inflate and can leave you short of breath. 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 fiber, which is hypoallergenic and can be washed, giving you the cleanest cushion. The built-in inflatable mouth, different from the metal mouth, avoids the discomfort of the patient when using it. 5. Multipurpose: This cushion is perfect for travel. The entire set fits into the provided tote bag, so you can take it with you. You can use it at home, office/work, on vacation, in the car and on the plane. Avoid patient discomfort when using it. 5. Multipurpose: This cushion is perfect for travel. The entire set fits into the provided tote bag, so you can take it with you. You can use it at home, office/work, on vacation, in the car and on the plane. Avoid patient discomfort when using it. 5. Multipurpose: This cushion is perfect for travel. The entire set fits into the provided tote bag, so you can take it with you. You can use it at home, office/work, on vacation, in the car and on the plane.