Like Platinum's popular black Carbon Ink, Pigment Ink Blue is a permanent ink suitable for use in all fountain pens. Made with extremely small pigment particles, Platinum's permanent ink series combines good flow through delicate pen feeds with true permanence. They are waterproof when dry and fadeproof. They're equally useful for ensuring the long-term existence of art and important documents and for making sure a recipe doesn't disappear when you spill water on it.
The 60 mL bottle has a built-in reservoir that holds ink closer to the mouth of the bottle. Turn it over and the reservoir fills, so you can easily fill your pen even when the bottle is almost empty. Made in Japan.