This is long-burning oak charcoal. 4 servings, approximately 4kg 4 pieces of body charcoal, 1 ring-shaped body charcoal 8 pieces each of round tube, split tube, and point charcoal 16 pieces each of round giccho and split giccho 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 change the contents of the 2-box purchase set, please comment before payment.