Our Heated Auto Seat Cushion now has a convenient on/off switch! With this heated seat cushion, you can commute in warmth, starting the minute you get in the car! No need to wait seemingly forever for the heater to kick in! Just plug this Heated Seat Cushion into a cigarette-lighter socket, and it warms up in seconds to spread soothing heat throughout your body. Using just 45 watts of power, this heated seat cushion has an easy-to-reach hi/lo/off temperature control to provide comfort however long your ride. The Heated Auto Seat Cushion is made of plush black polyurethane over foam, with elastic straps that go under the car seat to hold it in place. Benefits of the Heated Auto Seat Cushion: Heated Auto Seat Cushion has an on/off switch (do not leave cushion on when car engine is off) This heated seat cushion fits in all different sizes of cars, trucks, boats or RVs The Heated Auto Seat Cushion also relaxes your lower back muscles for additional comfort on longer trips