Oh, there are times in the car I could really use one of these! Right now Groupon has this 12V Electric Heated Blankets for Cars for $18.99 (was $39.69). This available in a few different colors. Shipping is $3.99 if you order one, free if you order two!
Product Details:
- Supplemental Warmth for Your Vehicle
Heats up to keep you toasty while you drive
Automatically maintains a warm, comfortable temperature
Plugs into your car’s 12V DC accessory socket
LED indicator light on the plug - Materials and Care
100% polyester
Do not machine wash; spot clean only - Specifics
Includes a plastic storage case with handles
Cord length: 96”
Product dimensions: 59” (L) x 43” (W)