Enjoy If You Care Firelighters (12x72 CT). If You Care 100% Biomass Firelighters are made from FSC-certified wood and 100% non-GMO vegetable oil. Use these environmentally friendly fire starting cubes to replace those made with kerosene and other petroleum products. For fireplaces grills wood burning stoves and campfires use 3 - 4 per fire. They burn for 8 - 10 minutes. If You Care Biomass Firelighters are extremely stable have a long shelf life do not lose firepower or dry out when left open are not oily or greasy; have no unpleasant smells are non explosive and non toxic and can be stored with food. (Note: description is informational only. Please read product label prior to use and consult your health professional with any question prior to use.