High-quality, high-resilience memory foam provides firm back support, maintains firmness despite temperature fluctuations, and maintains its shape even after prolonged use. The seat cushion's non-slip base is made of upgraded, high-quality velvet fabric. Its ergonomic design helps maintain a healthy sitting posture, aligns the spine, and provides exceptional comfort. It reduces sitting pressure and reduces pressure on the coccyx, tailbone, and hip bones when sitting. Its quick response provides instant relief and comfort. It relieves back pain and even helps alleviate sciatica.