Donut cushions are ideal for individuals who need to sit for extended periods of time and are suffering from conditions like: hemorrhoids, hip bursitis, prostate inflammation, anal pain issues, tailbone pain, coccyx pain, sciatica, surgery, and pre/post-natal pregnancy related pain. The contoured donut shape is engineered to reduce coccyx pressure, as well as relieve stress on the tailbone, hip bones, and legs and while you are sitting. - Engineered to create a healthy distribution of your body weight, helping to improve posture, blood circulation, and proper spine alignment. - Is indicated to help treat of lower back pain issues, deal with sensitive hemorrhoid problems, alleviate painful pressure sores and ulcers.