Keep the tie-dye fun going with Tulip One-Step Tie-Dye Refills! Features 30 (4 oz.) Refill Packs of dye in an essential rainbow palette: Fuchsia, Red, Orange, Yellow, Lime, Green, Turquoise, Blue, Purple, and Black. Use these One-Step Dye Refills with your 4-oz. One-Step Tie-Dye bottles; just add the dye powders to the bottles and fill with water. All Tulip One-Step Dyes are nontoxic and safe for crafters of any age or experience level. One-Step Dyes are formulated to be their best and brightest on natural-fiber fabrics. Dyes are safe to machine wash – colors stay bold through repeated washings.