Natural Dye solid napkins. Size: 20x20. Material/fabric content: 100% cotton. The naturally dyed collection has been done keeping in mind the recent demand for sustainable and natural goods. All the mordants & dyes used are 100% natural derived from mineral & plant sources. The primary dye used in this product is alizarin. Alizarin is a natural dye made from the root of the madder plant & has been one of the most prominent & widely used natural dyes in history. Dried & powdered roots of the madder plant are used for dyeing shades of Red. Due to the hand dyed nature of this process there are bound to be variations and imperfections in color and sometimes dye intensity. This is inherent in the natural world and should not Care instructions: Machine wash cold. Gentle cycle. Do not bleach. Air dry.