When mixed with soda ash, cold water dye is permanent, colorfast and very washable. Great for tie-dye and dyeing fabric. 8 oz., 8-color assortment of yellow, brilliant orange, fire engine red, fuchsia, turquoise, medium blue, bright green and jet black. Adult supervision required. Follow mixing instructions on the bottle. Mix 2 level tbsp. of dye to 8 ounces of water. Presoaking the garment in soda ash (sold separately) helps with color retention.