NduR 22000 Smokeless/Odorless Utility Flame Gel Lightweight, inexpensive, safe to transport by aircraft and extremely versatile. Will boil water, provide emergency sterilization, make hot MRE's, reconstitute freeze dried foods, heat a cup of coffee, and more Can be used as a heat source in virtually any environment and situation Because Utility Flame is not a hazardous material, it requires no special clean up or handling Once the gel has burned, all that is left at the site is Silica sand that easily brushes away.