This is long-burning oak charcoal. Contents: Approximately 3kg 5 pieces of "Do-zumi" (trunk charcoal) 1 piece of "Wa-do" (ring-shaped trunk charcoal) 10 pieces each of "Maru-kuda" (round pipe charcoal), "Wari-kuda" (split pipe charcoal), and "Ten-zumi" (lighting charcoal) 20 pieces each of "Maru-gitcho" (round small charcoal) and "Wari-gitcho" (split small charcoal) The charcoal maker carefully performs all processes personally, from charcoal burning to cutting. After cutting, fine powder is removed with a blower. If you wish to purchase two boxes or change the number of pieces, please comment before making payment.