【Comfortable&easy to clean】The cushion is made of comfortable gel memory foam, which is soft and very elastic. The detachable zipper velvet cover on the surface can be cleaned with a washing machine. 【Release Tailbone Pressure】The cushion material is soft and matches the shape of the buttocks. When sitting on it, the buttocks will be evenly stressed, promoting a healthy posture and relieving lower back pain and sciatica. 【Relieve pain】People who sit on a cushion for a long time, as well as those who suffer from intervertebral disc herniation, sciatic neuritis, coccyx injury, and other spinal problems, all need such a cushion to relieve lower back pain. 【Best Service】If you are not satisfied with the product, you can contact us at any time.