I bought this by mistake. One piece is broken. I will give it to someone who can use it. Thank you. The following is a quote from another person's description: Product Name: Shoko (Incense) Incense Charcoal, 5 pieces, Incense for Incense Burning, Buddhist Services, Funerals, Nippon Kodo, Incense Charcoal, Fire Starter, Incense Burner, Item No. 92011, Charcoal, Buddhist Services, Regular Item Popular standard product!!! Hanamido Incense Charcoal, 5 pieces. Fire starter for incense burning, Nippon Kodo, Item No. 92011 Incense is burned at funerals and memorial services, and the charcoal that serves as the "fire starter" for incense is called "shoko-tan" (incense charcoal). When memorial services are held at home, it is necessary to prepare the incense charcoal yourself. Please use it as a fire starter for incense burning. Contains 5 pieces. The burning time of 1/4 piece is about 60 minutes. The burning time of 1/2 piece is about 90 minutes. Product size: Height 65mm x Width 90mm x Depth 65mm Weight including box: Approximately 90g Contents: 5 pieces Burning time: 1/4 piece is about 60 minutes. 1/2 piece is about 90 minutes. Set contents (ingredients): Charcoal It is a fire starter for incense and incense, and is used by placing it in an incense burner. Since you usually have to prepare your own incense burner when holding Buddhist services at home, you will need incense charcoal at that time. It is best to light the incense charcoal about 10-15 minutes before the incense burning begins, so that the incense will burn beautifully from the first person to burn it.