Description Sailor Shikiori Potsupotsu fountain pen ink is a medium toned purple, and comes as a 3ml sample in a plastic vial with a dip at the bottom to allow you to easily get every drop, labeled with the name of the ink brand and color.Sailor Potsupotsu ink was designed as a companion ink to the 2021 Sailor Sound of Rain Winter Rain lavender colored fountain pen. The Sounds of Rain inks are inspired by the different sounds that rain makes as it falls. Potsupotsu represents the cold ‘pitter-patter’ of a brisk winter rain in the icy lilac color.Sailor fountain pen ink is made in Japan, and is smooth-flowing and specifically formulated to be safe for all fountain pens. 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.