The GreenLeaf Memory Foam Seat and Lumbar Support Cushion is a premium quality product that will support your lower back while seated. It helps maintain your spine’s natural curve, which can prevent back pain and improve posture. Features and Benefits: Provides long lasting comfort and improves posture. The inner material is made with premium quality high density memory foam, which can retain its shape for continued support. Made from breathable materials that provides great air circulation. Alleviates pressure on the sciatica nerve to reduce back, leg and butt pain. Suitable for office chairs, gaming chairs, car seats, wheelchairs etc. Removable back cushion. What’s in the box: 1 x Seat and back cushion