Sailor Shikiori 5-Marker Spring Set. Sailor’s Shikiori marker colors were developed to match the famous Sailor Shikori bottled ink colors originally developed for fountain pen use. These markers are dual sided, with one side offering a fine point and other side offering a thicker point size. This 5-marker set comes with 5 beautiful colors influenced by the Spring season, as Shikiori refers to the four seasons in Japanese. Made in Japan.