No fire? No matches? No problem. These XMRE NXH Flameless Heaters are very similar to the military versions (FRHs) that have delivered dependable flameless heat for generations. Great for camping scenarios in which a flame is undesirable. But also a great solution for providing heat indoors, or in confined conditions without a lot of ventilation. Just add water Odorless and non-toxic Safe to use in confined spaces Each pouch produces enough heat for a single MRE-style entrA e