Rohrer & Klingner fountain pen ink, Sepia, 50 ml Rohrer & Klingner writing ink in 50 ml bottles. Founded in 1892 in Leipzig, Germany, Rohrer & Klingner fountain pen inks are manufactured following well established recipes using specially treated water, natural ingredients and brilliant colorants. The well-balanced composition makes for optimal ink flow. Rohrer & Klingner calligraphy writing inks are suitable for all fountain pens, fountain pens and kitchen utensils. 50 ml bottle (about 1.7 fluid ounces) flows smoothly fast drying Water based non-toxic and pH neutral fast light all natural dyes