Art of the Icon will only supply the highest quality products Each roll has 6 pieces and each box has 19 rolls This charcoal made in Athens is tried and true, used around the world Pyrsos founded by George D. Malevitis has been producing this charcoal for over 50 years Be sure to visit our incense shop, we have inventory from Vatopedi Monastery Holding the piece of charcoal with tongs, light the charcoal it begins to throw off some sparks, be careful and place it in your incense burner. When the charcoal starts to turn white in color, it is ready for the incense. Then place a couple of pieces of incense on top or on the side of the charcoal to burn. If you place too much incense on the coal, you may smother it, and the coal will burn out.