Sit Smart Relief, multicolor effective way to improve posture that prevents back pain NATURAL, SAFE AND EFFECTIVE BACK PAIN RELIEF: Sit Smart is a safe and effective way to improve posture that prevents back pain while you sit. Sit Smart automatically positions your body in correct posture for all-day comfort. TILTS THE PELVIS UPRIGHT TO ENGAGE CORE MUSCLES: Sit Smart encourages your spine to move, "float" and adjust while sitting, Its patented design works by tilting your hips upright and comfortably “floating” your spine over the seat, you feel refreshed even after hours of sitting. PORTABLE, EASY FOR TRAVEL, WORKS in any seat—office, car, home—or anywhere you sit. NOTE *CAUTION —Changing your sitting posture can cause temporary discomfort for the first time. Your body may need time to adjust and relax into the new posture that your Back Joy provides. SITSMART RELIEF - SOFT FABRIC COVERING FOR EVERYDAY USE: Sit Smart Relief style is covered with brushed polyester fabric and filled with a layer of pressure-relieving foam padding for extra comfort.