Treat your resident to superior pressure relief and comfort in their geri-chair with the gel overlay. Water-based gel cushion relieves interface pressure at coccyx and ischials. (20" W x 18"D) Foam padding for back and legs offers cushioned comfort. Air-Flow Mesh fabric cover maintains comfort. Reverse side is fluid-proof nylon. Complete cover removes for laundering. Easily secures to all geri-chairs.