Description Kobe #23 Nagata Blue fountain pen ink is a darker shade of blue-black and comes packaged in a 50ml glass bottle that is short and sturdy with a wider mouth opening. Kobe ink is made by Sailor for the Kobe-Nagasawa Department Store in Kobe, Japan. Kobe fountain pen ink is made in Japan, is smooth-flowing and specifically formulated to be safe for all fountain pens. Having trouble deciding between colors? Use our Ink Comparison Tool to quickly and easily view different colors side by side. We offer Free Shipping on all orders over $59 for US customers, and for orders over $250 for our Canadian customers.