Description Sailor Blue-Black fountain pen ink is a deep, dark shade of blue-black that comes packaged in a sturdy 50ml cube-shaped glass bottle. Sailor Blue-Black ink was formerly called Sailor Jentle Blue-Black. Sailor fountain pen ink is made 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.