ITEM'S CONDITION:USED Brand Ajiteogy Special feature Portable, Removable Cover Colour Black 100% high density memory foam: Our coccyx pain relief cushion uses high density memory foam to make it not too hard or too soft and offers you the best support Ergonomic Seat Cushion for Office Chair: Our orthopedic office chair cushion has a U-shaped design to fit your body perfectly. It can reduce your tailbone, hemorrhoid, sciatica and back pain Improve Sitting Posture: Poor sitting posture can cause many back problems. Our orthopedic coccyx cushion can effortlessly improve your sitting posture.