Given the number of hours the average person spends sitting in front of a computer these days, ergonomic seat cushions have become an important part of maintaining proper seating posture, spine alignment and a healthy body. Our chair cushions promote proper posture, better support and increased comfort. Choose from our seat back and lumbar cushion support, seat cushions for office and task chairs, wheelchair cushions and medical specialty cushions. The Freedom Back Lumbar Cushion converts any seat back to an ergonomic, supportive surface. For the best in seat cushions, choose our best selling Freedom Seat Cushion.