Description Sailor Yurameku Kokoroguma fountain pen ink is a hard to describe muted shade of mauve or burgundy that leans toward brown, and is smooth-flowing and specifically formulated to be safe for all fountain pens. Sailor Yurameku inks are packaged in a 20ml glass bottle with a fasted plastic cap. The Yurameku Inks by Sailor offer colors ranging from soft browns to cloudy blues, to earthy greens and delicate purples. Perhaps what is most exciting about Yurameku inks by Sailor is that these colors will change depending on the size of the nib on your fountain pen, the paper that is used, as well as the length of time that the inks have to develop on the paper.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.