In every cold winter, this product will reducing your painful of your waist and back through it’s rapidly temperature-raising and temperature-adjusting, it healthy to the people, to live away from the painful caused by cold weather. The retrofit seat heater system gives you all features and quality you would expect from an original equipment manufacturer. The application of carbon technology ensures the even spread of warmth to both the seat back and cushion. Feel comfortable in minutes. www.centurybalance.com