'- Innovative sitting device - Ethylene-vinyl acetate - Waterproof construction - Posture corrector - Naturally relieves back pain by optimizing your sitting Posture

The 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. It features a comfortable, waterproof EVA foam covering for indoor or outdoor use. Easy for travel. Works for car seats, office chairs, hard surface chairs, desk chairs, outdoor surfaces, and driving.