Description Sailor Shikiori Chu-Shu fountain pen ink is a deep, dark shade of purple that in certain light can look blue-black or even black. The cardboard box contains 3 Sailor fountain pen ink cartridges inside a plastic carrying case, and the name of the ink color is embossed on each cartridge! Sailor cartridges are proprietary and only fit Sailor fountain pens that accept cartridges. Sailor fountain pen ink is made in Japan, 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.