Tumbleweed fire starters are made of wood wool, pine and steorin, no chemicals used. The length of each firestarter is about 2 in. | Being 100% natural our lump charcoal starters are safe for cooking, perfect bbq fire starter. | These firestarters are suitable for campfires, wood stove, pizza oven, big green egg or other grill. You can use it as a firewood starter for your fire pit or fireplace. | The pack includes 30 fire lighters for indoor and outdoor use. Just one tumbleweeds fire starter is needed for lighting a fire. | Firelighters burn time is up to 10 minutes which makes them great camping accessories. Make a fire easily even in windy weather with Zorestar wood wool.