Sennen-kyu Moxibustion Trial Set, 2 Boxes, 2 Sets, Total 20 Pieces This is a moxibustion product called Sennen-kyu that uses fire. * Regular Kyu Ibuki: 5 pieces * Soft Kyu Chikubushima: 5 pieces Two sets of 2 boxes. Each box contains 5 Sennen-kyu. Price not negotiable. New, unused. Free shipping.