The washi paper is produced using an optimal mix of fibers from mulberry, paperbush, gampi, straw, cogongrass, bamboo, and wood. The calligraphy paper is created to showcase the varied richness of the ink through techniques of shading, bleeding, and blending. In addition, a wide range of paper types and grades are produced depending on a variety of specific usages. For example, specalized papers are created for ink painting and traditional Japanese painting, or "Nihonga."