Three Kings 33mm charcoal tablets. Pack of 10.A foil package of 10 quick light charcoal tablets. Used to burn any dried herb, resin, or incense powder. Light disk and when you see a spark place in a burner safely use tweezers or tongs. Add incense when charcoal glows. Well sealed against moisture and dust, long-burning and easy to use, these charcoal discs have been a customer favorite for years!