The Permanent Black ink by Montblanc lends expression to any writing or drawing - ideal for calligraphy, taking notes in a journal or diary, and official business The deep black color is indelible, non-erasable and waterproof, and will not fade over time - ideal for archival and executive purposes as well as signing certificates and contracts The premium-quality ink is the convenient alternative to ink bottles and fountain pen converters / The pen refills are packaged inside an eye-catching gift box The fountain pen ink is quick-drying and does not bleed through for a distinctive style of writing / The black ink flows smoothly and will not clog the tip of the pen Items delivered: 1 x box with 8 ink cartridges in Permanent Black by Montblanc / International standard size cartridges for fountain pens by Montblanc and other standard fountain pens