Fatwood is harvested from the stumps of pine trees that contain a high concentration of natural resin. This organic, 100 percent natural resin allows the fatwood fire starter to be started with a single match and gives a sustained flame. Fatwood is 100 percent natural, with no chemical or additives. Fatwood is harvested from non-endangered, non-rainforest, non-living trees. User friendly, safe, clean and non-toxic. Indoor or outdoor use. Indefinite shelf life. Can be started with a match, even when wet. SCS Green Cross certified. Great for use in barbecues, campfires, wood stoves, fire pits, pellet stoves, chimneys, coal stoves, fireplaces.