* BackJoy SitSmart Posture Plus is an innovative, proven back pain cushion that provides natural, safe and effective back pain relief by optimizing your posture.
* Perfect as a coccyx seat cushion, office chair cushion, and for tailbone relief.
* BackJoy SitSmart Posture Plus features a comfortable, waterproof EVA foam covering for indoor or outdoor use.
* Portable Cushion: Easy for travel. Works for car seats, office chairs, hard surface chairs, desk chairs, outdoor surfaces, and driving.
* Please note: changing your sitting posture can cause temporary discomfort. Your body may need time to adjust and relax into the new posture that your BackJoy provides. Please reference the manual for additional information.
* Measures 13" x 15.5".