Features:Carbon Fiber material, not easy to corrode or breakTwo heated pads for each seat: 1 on back and 1 on the bottomApply to any cloth, leather, or vinyl coveredContinuous temperature monitoring prevents overheating, safe and reliableAdhesive tape included, for holding in place while reinstalling the seat coverA comfortable necessary for driving in winterSpecifications:Material: Carbon FiberDimension(Unit): Approx. 525mm x 280mm (20.7'' x 11'')Wire Length: 2.5MPower Rating: DC12V Wattage: 25 Watts /padThermostat: 65± 5°cPackage:4*Heating pads1*Connect Cables2*Switch 4*sealing glue