Yamato Indigo is a Japanese natural-blend indigo powder dye. Easy to use, Yamato Indigo only needs water; no heating or fermentation is necessary. It dyes natural materials, such as cotton, linen, silk, leather, wood, and washi paper, into a vibrant, beautiful “Japan Blue.” Yamato Indigo comes in the form of a powder consisting of extracts from indigo plants, synthetic indigo, alkaline agent, and reducing agent. By mixing it with water, it instantly becomes ready to dip and use as a dye. This indigo dye is the best choice for absolute beginners, workshop teachers, and professional dyers. The package comes with instruction sheet.