⭐︎ Creative Glass Indigo Cut Glass, Designed by Haruhisa Higuchi ⭐︎ Size: Height 13 cm, Diameter 13 cm Indigo cut glass is traditional colored glass that can only be created through skilled craftsmanship. The romance of color revived by the skills of experienced artisans, indigo cut glass. Indigo, a traditional Japanese color with a pure and clean feel, is made by coloring with copper and cobalt as raw materials, creating navy blue colored glass, and thinly layering it over transparent glass. This technique flourished in the Qianlong era of the Qing dynasty in China. It was introduced to Japan from the Netherlands during the Edo period, and sophisticated techniques were added, which have been passed down to the present day. It will be delivered in a box. Please understand that this is a used item before purchasing. If you have any questions, please feel free to comment. Thank you very much!