Product Description Material: Plush+PVC Liner Size: Inner Diameter cm, Outer Diameter 38cm Color: Dark Blue Recommended for: Sedentary / Bedsore / Coccyx Fracture / Coccyx Pain / Pelvic Floor Pain / Pregnancy Package Contents: 1*Inflatable cushion, cushion is a great pillow for hemorrhoids; pregnancy donut pillow; donut pillow for tailbone discomfort; and medical donut cushion. You can take it anywhere you want to go. 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. Inflate with ease: Inflate quickly and easily through the 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 quicklyand easily. 4. EASY TO CLEAN: The cover of this cushion is made of polyester fiber, which is hypoallergenic and can be cleaned, giving you a safe and clean cushion for you. The built-in inflatable mouth, different from the metal mouth, avoids the discomfort of thepatient 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 wherever you go. You can use it at home, office/work, on vacation, in the car and on the plane.