| CPC E03B 7/12 (2013.01) | 17 Claims |

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1. A warming device comprising:
a first sidewall having a peripheral portion and a central portion;
a second sidewall having a peripheral portion and a central portion;
the first sidewall being attached to the second sidewall along their respective peripheral portions, thereby forming an interior void;
a heating member having an exterior layer, the heating member being disposed in the first sidewall;
the heating member including a thermal response device that is activated by a change in temperature, wherein the thermal response device introduces air into the heating member by forming a hole on the exterior layer of the heating member.
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