SJJ Memory Foam U-Shaped Seat Cushion for Back & Tailbone Pain Relief — 18.16''x16.3''x3.75''

Designed to relieve pressure from prolonged sitting, the U-shaped SJJ seat cushion eases tailbone pain while helping relax the back and shoulders. The cushion's memory foam core conforms to your body for targeted support and comfort during long periods seated. A breathable, detachable mesh cover promotes airflow to help keep you cool; the cover is simple to remove and machine-washable. Practical details include a rubberized non-slip base to keep the cushion in place and a built-in carry handle for easy transport. Fits a wide range of chair types and offers ergonomic support for office chairs, car seats, wheelchairs and more. Dimensions: 18.16'' x 16.3'' x 3.75''.