Bungubox fountain pen inks are known for their quality and uniquely vivid colors.  They are produced by the famous Japanese pen and ink company Sailor and initially only for the Japanese market.  Bungubox has quickly become one of the Fountain Pen community’s favourite brand.

Taking four of the B’s of BUNGBOXBLUEBLACK …
It was aimed as a color of Japanese traditional colors “KoAi (Koiai)” and is the neutral colors of the agate of French traditional colors of “Agate (Agato)” (agate) colors.