Color: blue, brown, red Material: Mercerized Cotton Inner Diameter: 11cm Outer Diameter: 38cm Maximum Load: 100kg Package Includes: 1*Inflatable Pillow 1*Pump SUPERIOR CUSHIONS: Our coccyx seat cushion is an excellent cushion for hemorrhoids. pregnancy donut pillows; Donut pillow for coccyx problems; coccyx donut cushion; and medical donut pillow. You can take it anywhere. COMFORT AND DURABILITY: Soft and durable material conforms to your body and provides excellent cushioning while resisting punctures and leaks. EASY INFLATION: Quick and easy inflation by mouth or with the included air pump. With our included air pump you can always inflate your pillow quickly and easily. MULTI-USE: Our donut pillow is perfect for traveling. You can take it anywhere You can use it at home, office/work, vacation, car and plane. It is important that you are comfortable wherever you sit.