| 摘要 |
A portable, thermal bag for containing a food product, such as pizza. The bag has top and bottom panels and is closed along both sides and at the rear end. The front end is open to permit insertion and removal of the food product. The top and bottom panels each have an outer cover layer and an inner cover layer, and an electric resistance wire between the cover layers. The resistance wires may be plugged into the cigarette lighter of a delivery vehicle to keep the food product warm. A thermostat is placed in the center of the top panel to control the temperature. The bag has a quick release connector which may also be plugged into a low voltage transformer in a restaurant where several bags may be kept before being used to carry a pizza in a delivery vehicle.
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