Women Indigo Dyed and Hand Block Print Open Front Patchwork Sustainable Jacket with Flared Hem/ India/ Ethnic/ Fusion Wear/Handmade Materials: silk, viscose, cotton Gift wrapping available See details PRODUCT DETAILSSpecial Technique Craft: Since Indus Valley civilization era, Indigo's imperial acceptance has made it a craft in itself whether used in Tie and Dye, Shibori or Block prints. The vibrant deep blue dye is extracted from the plant family, Indigofera tinctoria. It is the oldest natural dye known to mankind. It can be used to dye any kind of fiber universally.