Reformulated specially for outdoor use, these efficient burning logs produce 30% less smoke than wood and burn brighter and hotter. Specially designed wood-like crackling firelogs provide an ideal outdoor fire experience in fire pits, outdoor fireplaces, campfires, beach fires and more! Third-party tested for roasting marshmallows, hot dogs and other campfire fares. Made from a 100% renewable blend of wax and recycled biomass fibers. These high energy firelogs produce a fire equivalent to 4-5 pieces of firewood and generate more heat per pound.