Jacquard Acid Dyes- Color: purpleJacquard Acid Dyes are concentrated, powdered, hot water dyes that produce the most vibrant possible results on protein fibers including silk, wool, cashmere, alpaca, feathers, and most nylons.Don't be alarmed by the name--the only acid involved is the vinegar that you addPackaged in convenient, reclosable 1/2 oz. jar which will color about two pounds of fiberJacquard Acid Dyes are extremely brilliant and colorfastIf you can do a load of laundry, you can use these dyesIt's that easyIn addition to garment dyeing in a washing machine, you can use to paint or print