Environmentally friendly firelighters made from responsibly sourced wood and non-GMO vegetable oil. The firelighters do not rely on fossil fuels and are non-toxic unlike kerosene or petroleum firelighters. Use with fireplaces, grills, wood burning stoves and campfires, simply place 3-4 firelighters under wood or on top of charcoal and light them on the fractured side of the cube and they will burn for 8-10 minutes.