This ink bottle by Scribo contains nothing less than 90ml of ink. Scribo is a young business who are specialized in producing office supplies. The products of scribo are designed, so their ink works the best with their fountain pens. But no worries, the ink can be used with any other fountain pen. Another advantage is that the bottles are stackable, whereby there is still space for you to work. Know it is possible to stack up different colors of ink. With this wide veriety of ink color, you can enjoy the writing pleasure.