I am looking for a small refrigerator that you plug into your car?

Here are some great and affordable small refrigerators to plug into your car. These are great for keeping things cold on the go and great to store small food items in,when your out all day. Healthy alternative than driving to a nearby fast food place.
The Jumbo Mini Fridge-N-Warmer:

• Holds up to twelve 12-oz. cans, 1 and 2 liter bottles and half-gallon cartons. Adjustable temperature setting chills to 44°F or warms to 149°F, so you can keep food and drink at the perfect snacking temperature at home, in the office, or on the go.

The Wagan Seven Liter Personal Fridge And Warmer:

• Is designed to fit in the front console or the back seat of your car and can cool your favorite drinks to approximately 32-36 degrees F. It also features a warming function allowing you to keep warm food in it at up to 130 degrees. It has a cushioned top for use as an armrest and comes with a convenient shoulder strap and car plug.

Other features also make this model a solid choice:

• This Wagan personal fridge cools drinks or keeps food warm.
  
• Features two extra cup holders for added convenience.