A comfortable necessary for driving in winter. Designed to be installed between the cover and cushion. Using a heating pad that can reduce air conditioning open, not only fuel-efficient can also relieve the air conditioning hot, relieve driving fatigue. Fits all seats such as car, SUV, truck, RV, boat, universal fit on any 12V DC system on leather. Made of carbon fiber material, quick heat-up time, not easy to corrode or break. Two heated pads for one : 1pc on back and 1pc on the bottom. With sticker, easy to install. Type: Car Carbon Fiber Heater Heating Temperature: 60-70C (Max) Voltage: DC 12V Size: 48 x 27cm / 19 x 10.6inch (L x W) color:Photo color Material:carbon fiber Package Contents: 2 x Car Carbon Fiber Heater Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.