FORTEM Lumbar Support Office Chair, Lumbar Support Pillow for Car, Office Chair Back Support, Lumbar Pillow for Desk Chair, Memory Foam Back Cushion, Washable Cover (Mesh, Black)Pain Relief and Comfort FORTEM lumbar support pillow for chair is made of memory foam that contours to your body to target pressure points. A great back support pillow while driving or working long hours to avoid aching back pain. Ergonomic Design Orthopedic design supports better posture by adjusting to your natural back curve. This helps alleviate pressure on the sciatica nerve to reduce mid lower back pain, muscle tension and helps with spine