Model Number: CQY-90-1 Brand Name: Kyang trip Key Specifications/Special Features: Maximum relief and comfort: reduces pressure on pelvic, coccyx, lower back, perineaandregionRelieves pain from hemorrhoids, pressure ulcers, prostate, pregnancy, child birth and lower back painDurable: made of dense premium comfort foam will not flatten out with prolonged use will not deflate like inflatable donut cushionsNon-slip bottom ensures cushion stays in place and will not shift or slide on any surfaceErgonomic: promotes good posture and healthy weight distribution for hours of comfortable sitting