These are the dyes used by Judith MacKenzie in her workshops. If you’ve ever taken a workshop from Judith, you know the dyes she uses result in gorgeous colors! These acid dyes dye protein fibers to brilliant shades! Use them individually or mix them to create your own colors. The dye comes in powder form, easily dissolved to create liquid stock solutions. Nine colors are offered — the primaries are Magenta, Cyan, and Yellow. The other colors are Black, Violet, Worker Blue, Worker Red, Worker Orange and Worker Brown. Instructions are included with your purchase.