Flameless portable heating kit

A flameless, portable heating kit, comprising:

• a first inner layer and a second inner layer;
• a filter coupling the first inner layer to the second inner layer the filter directing a flow of a liquid around outer surfaces of the first inner layer and the second inner layer;
• a first outer layer and a second outer layer surrounding the first inner layer, the second inner layer, and the filter;
• a liquid activated heating material disposed between at least one of the following:
• the first inner layer and the first outer layer, or the second inner layer and the second outer layer;
• and
• wherein the first inner layer, the second inner layer, the first outer layer, the second outer layer each have a first end and a second end, and wherein the first end of the first outer layer and the first end of the second outer layer are configured to create a seal with one another.

A method for flameless heating, comprising:

• receiving a liquid into a flameless, portable heating kit;
• directing the liquid around a filter that connects a first inner layer and a second inner layer of the flameless, portable heating kit;
• and
• activating a liquid activated heating material with the liquid, the heating material being positioned between at least one of the following:
• the first inner layer and a first outer layer of the flameless, portable heating kit, or the second inner layer and a second outer layer of the flameless, portable heating kit.