Woot offers Zone Tech SE0083-N Black Car Heated Travel Seat Cover Cushions, 12v Plug for Cold Weather, 2 Seat Covers for $44.99 (orig. $77.99). Free shipping for Prime Members.

Product Description:
What would be the perfect partner for cold weather and winter driving? The answer for that would be the Zone Tech Car Seat Cover Cushion. The Zone Tech seat cover warms your back and bottom that helps to maintain your metabolism and blood circulation. Enjoy immediate warmth at your seat. The Zone Tech seat cover fits in all different sizes of cars or RV seats.
The cushion is light and portable so it is convenient to take from one car to another. The cushion plugs into a vehicle's standard cigarette lighter and it heats up immediately. The Zone Tech cushion fabric uses Far-infrared which is built into the fabric, so no lumpy to be felt. The Zone Tech cover has black elastic straps that slide over almost any seat to securely hold the cushion in place. The cushion also has additional straps on the bottom of the cushion and the included hooks can secure the cushion to the underside of your seat.

• Premium Quality - The Zone Tech Travel Blanket Is Made From Premium Quality Materials To Ensure Maximum Strength, Durability And Comfort For Long Lasting Usage.
• Nice And Warmth - The Zone Tech Seat Cover Provides Warmth And Comfort. You Can Enjoy Soothing Feeling In The Comfort Of Your Vehicle.
• Fits All - The Zone Tech Seat Cover Fits In All Different Sizes Of Cars Or Rv Seats. The Cushion Is Light And Portable So It Is Convenient To Take From One Car To Another.
• Secured Straps - The Zone Tech Seat Cover Straps Makes Sure That It Holds In Place. It Has Black Elastic Straps That Slide Over Almost Any Seat To Securely Hold The Cushion In Place And Additional Straps With Included Hooks On The Bottom Of The Cushion To Secure The Cushion To The Underside Of Your Seat.
• Travel Companion - The Zone Tech Seat Cover Is Your Trusted Travel Companion, Providing Everything You Need For On-The-Go Living. A Good Use During Road Trips, Camping, Tailgates, Emergency Blanket, Motor Homes, And More.
• Plugs into 12V cigarette lighter or power point for power