Sailor Sei-boku permanent blue/black pigment ink for fountain pens. Non iron-gall formulation. Ink bottle features integral reservoir for easier filling even when nearly empty.
To order, please select "buy" next to the item. Note that you can change an order quantity once an item has been added to your shopping basket.
Note that colour representation cannot be truly accurate due to variations in scanning, the reproduction on your own computer system and variations in pen characteristics. If your pen is a wet writer, the colour will appear much darker and vice-versa.