Description Bungubox Tsuyuhikari fountain pen ink is a vibrant shade of green and the 50ml glass bottle features an internal removable ink reservoir that makes it possible to fill your pen even when the ink runs low. Cap the bottle, turn it upside down, and then turn it right-side up. The holes on the sides of the reservoir allow ink to flow into the reservoir into which a fountain pen nib can be submerged. Bungubox Tsuyuhikari fountain pen ink is made by Sailor for Bungubox pen store in Japan and is very well behaved, has good flow, and is easy to rinse out of your fountain pen. 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. Please note that items in the Outlet are a final sale.