Usage Tips:Product descriptionMaterial: plush + PVC linerSize: inner diameter cm, outer diameter 38cmColor: dark blueRecommended for: Prolonged Sitting/Bed Sores/Fractured Coccyx/Tailbone Pain/Pelvic Floor Pain/PregnancyPackage content: 1*inflatable cushion, 1*pump1.SUPERIOR CUSHIONINGOur seat cushion is a excellent pillow for hemorrhoids; donut pillow for pregnancy; donut pillow for coccyx discomfort; and medical donut cushion. You can take it anywhere you want to go.2.COMFORT & DURABILITY: Soft & durable plush + PVC linermaterial conforms to your body for superior cushioning while resisting punctures and leaks. Holds weight up to 198 lbs.3.EASY INFLATION: Fast and easy inflation by mouth or with the included air pump. Other cushions are difficult to inflate and can leave you feeling 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 cleaned to provide a safe and clean cushion for you. The built-in inflatable mouth, different from the metal mouth, avoids the patient discomfort of using it.5.MULTI USE: This cushion is perfect for travel. The complete set fits into the carry bag provided so you can take it wherever you go You can use it in the home, office/work, on holiday, car and airplane.