1. Ergonomic Memory Foam Cushion - A square shaped memory foam seat cushion, specially designed and manufactured to use extra firm memory foam to ensure ergonomic support when sitting for extended periods of time. High-density foam helps distribute weight evenly for greater comfort while helping to reduce back pressure. 2. Make it an ideal cushion for office chairs, dining chairs, car seats, sofas or sofas. The ergonomic seat cushion is 2 inches thick and also doubles as a booster seat for shorter people. 3. QUALITY YOU CAN TRUST - Our back pain chair cushions are made of 100% high-density, ultra-strong memory foam to ensure ideal support and long-lasting durability. The ergonomic seat cushion also features a solid soft velvet cover for a luxurious feel and look. 4. Say goodbye to numbness - the slow-rebound quality of our memory foam inserts avoids the numbness often caused by prolonged sitting. When the human body comes into contact with the material, the material senses the temperature of the human body and gradually softens. 5.At the same time, it absorbs the pressure of the human body, thereby adjusting the human body to the most comfortable posture.