This is high-quality, long-burning oak charcoal. Contents: For a 4-person tea ceremony: approximately 4kg 4 pieces of "doudan" charcoal, 1 piece of "wadou" charcoal 8 pieces each of "marukan," "warikan," and "tentan" charcoal 16 pieces each of "maru-gitcho" and "wari-gitcho" charcoal 1 piece of "edazumi" (three-pronged), 3 pieces of "edazumi" (two-pronged) The charcoal is carefully made by an individual, from the charcoal burning process to cutting. After cutting, fine powder is removed with a blower. If you wish to change the set contents, please comment before making payment.