It is very important to maintain the natural curve of the column in a sitting position. A bad position causes pressure on the column inevitably leading to the risk of back pain. The back support Spina-Bac® is stable with a mechanical adjustable spring in 6 different positions. Upholstery and elegant case offers good comfort. Available in blue, black, brown, burgundy and green. Recommended by doctors and physiotherapists for preventive or after surgery of herniated disc.