Product details:

NEW SitSmart Core Tractionrelieves back pain by optimizing your sitting posture.Features premium fabric coveringplus anti-slip grip areas for all day comfort and stability. SitSmartCore Traction positions your body to naturally relieve back pain and keep you sitting comfortably for hours. Measures 15.5 x 13. Anti-slip grip areas hold your seat in place 2x cushioning & wider seating surface Natural, safe and effective back pain relief Maximum comfort for longer periods of sitting Works in any seatoffice, car, homeor anywhere you sit Tilts the pelvis upright to engage core muscles Fits adults up to 300 lbs.