Patent ID: 8839782

Claim:
A method of warming a receptacle and contents thereof, the method comprising: providing a carrier comprising a pouch, a handle, and a heating element, wherein the pouch comprises an interior layer comprising thermal insulation and defining a heating chamber of the pouch and, wherein the handle is secured to the interior layer of the pouch and accessible through an opening of the pouch and the heating element comprises an air-activated oxidation packet configured to perform an exothermic reaction without the aid of an electric power source; activating the heating element by exposing the heating element to air; placing the activated heating element into the heating chamber; placing a receptacle containing contents in the heating chamber of the pouch with the activated heating element and in direct contact with the activated heating element; transitioning the opening of the pouch toward a closed state, yet permitting air flow through the opening of the pouch so as to facilitate a movement of heat generated by the activated heating element within the heating chamber; and heating the receptacle and the contents with the heat produced by the activated heat element and retained in the heating chamber to increase the temperature of the receptacle and the contents.