Sakura 47584 1-Pack Blister Card Pentouch Calligrapher, Medium, Black Blister card easy to use pentouch calligrapher marker pen was developed to enhance writing experiences of any skill level Archival quality ink is chemically stable, waterproof and fade resistant Low odor and xylene free; writes on glass, wood, porcelain, plastic, paper and metal Comes in 5.0mm medium calligraphy point size Available in black color