It is made from splitting the stumps of pine trees that contain a high concentration of natural resin. This organic, 100 percent natural resin allows the fatwood firestarter to be started with a single match and gives a sustained flame. 100 Perent natural, with no chemical additives. Wood cut fromnon-endangered, non-rainforest, non-living trees. User-friendly, safe, clean, and non-toxic. Indoor or outdoor use. Indefinite shelf life. Not affected by moisture and can be started with a match, even when wet. Scs certified. Use for barbecues, campfires, wood stoves, fire pits, pellet stoves, chimineas, coal stoves, fireplaces.