... Seat heater cushion,Car Seat Heater Cushion Fast installed seat heater, no any damage for seat, Seat heater cushion,Car Seat Heater CushionFast installed seat heater, ... install2. No seat cover damage installation3. Carbon fiber heater system4. 20W heater for seat and 40W for back5. One set includes ... one seat and one back heater .6. Heating pad size is 33*65cm7. Fasten by ...