Healthy and comfortable sitting with the portable ergo seat Sissel DorsaBack. It supports the back over its entire length. The DorsaBack is suitable for preventing and supporting the rehabilitation of back problems. It promotes a healthy posture on all chairs, including those that are too deep and soft, every couch and every armchair. The DorsaBack is also suitable for correcting poor posture. The seat tilt, whether upright or reclined, can be infinitely adjusted. The anatomically shaped, stable wooden core provides secure support. The DorsaBack is available in three different colors.