Greener Shades(tm) is a non-hazardous, non-chrome dye for use on silk, wool, nylon, or any animal fiber. Formulated without the use of hazardous metals, Greener Shades provides all the washfastness and light fastness of the traditional acid dye without relying on metal compounds to achieve bright and beautiful colors. This advancement is now available to the home/studio dyer with the Greener Shades line of dyes. Available in a Starter kit with 1/4 selections or 1/2 oz, 4oz, and 8oz packages. These dyes provide superior light and wash fastness without relying on metal compounds to achieve bright and beautiful colors. Greener ShadesTM are of superior quality, exhaust well, and have level performance when mixed with each other. These dyes also conform to the Organic Trade Association's standards for Organic Fiber Processing!