This is high-quality oak charcoal with good burning properties. For a five-step procedure in a furo (tea ceremony brazier), approximately 3kg: 5 pieces of Dozumi (body charcoal) 1 piece of Wadouzumi (ring-shaped body charcoal) 10 pieces each of Marukuda (round tube), Warikuda (split tube), and Tensumi (lighting charcoal) 30 pieces of Marugitchiyo (round small charcoal) 20 pieces of Warigitchiyo (split small charcoal) The entire process, from charcoal making to cutting, is carefully done by an individual. 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.