Transforms ordinary chairs into ergonomically correct seating Unlike ordinary "L"-shaped chairs, the "S"-shape of the Obus Forme Backrest Support molds your spine into a more anatomically correct position Helps to enhance overall posture by supporting proper spinal alignment Can prevent fatigue by reducing strain and energy demand on muscles Can provide relief from pain aggravated by poor posture including back pain, neck pain, shoulder tension and headaches Can ease the pain caused by spinal disc problems and sciatica by reducing spinal compression Removable and adjustable lumbar pad offers additional back support that can be customized for your needs The unique polycarbonate "S"-shaped frame with polyurethane foam gently supports the natural contours of your spine Brushed nylon cover can be removed and sponge washed Lightweight and portable for use at home, in the office, or on the go