This is a set of "Miyako Charcoal" and "Miyako Ash." Miyako Charcoal comes in two sizes: "Small (red box)" and "Large (green box)." The difference is the burning time, which depends on the size of the charcoal. This set includes "Large Charcoal (green box)" and "Miyako Ash." ● Miyako Charcoal (Green) This is a fragrant charcoal that can be lit with a lighter. Please use it for offering incense and for "soradaki" (air burning). The fragrant charcoal is used as a fire source for offering incense. (Contents of one box) 〇 Burning time: Approximately 60 minutes 〇 Contents: 24 pieces (1 piece 24mm x 24mm x 8mm) 〇 Package dimensions: 50mm x 120mm x 30mm ● Miyako Ash Use for standing incense sticks, offering incense, and "soradaki" (air burning). 〇 Packed in a plastic bag 〇 Incense burner ash 〇 Contents: 30g ※ Please be careful when handling fire. ※ Before use, please read the "Precautions for Use" written on the box carefully. Manufacturer: Shoyeido, Made in Japan ※ Important ※ Notes on Delivery ◎ Shipping will be via Click Post or Yu-Packet Post Mini. ◎ According to the Japan Post website, delivery is "generally the day after the dispatch date or the day after that," but based on the delivery status, it seems to take about 2-4 days. ◎ Since it will be delivered to your mailbox, date and time指定 cannot be specified. ◎ If you are in a hurry, we can ship via Nekopos for an additional 200 yen to the listed price. It usually arrives in about 1-2 days. Please comment before purchasing if you wish to use this option. ◎ If you wish to specify a date and time, we can ship via Takkyubin (home delivery service) for an additional 730 yen to the listed price. Please comment before purchasing if you wish to use this option. ※ "Charcoal" such as "Miyako Charcoal" and "Koutandan" falls under the "Notification for Establishing Standards for the Transportation of Explosives, etc. by Aircraft" and cannot be transported by air. Therefore, it will be transported by land (ship), so it may take about 10 days depending on your area of residence, such as Okinawa. Please be aware of this.