The Tulip One-Step 5- Color Tie-Dye Kit is full of tons of colorful fun! Stocked with five bottles of vibrant One-Step Dye, five dye refill packets, supplies and an inspiration guide, this kit is ready for your creativity. Who knew tie dyeing could be this easy? Perfect for solo projects and family fun. Create up to thirty projects. need to presoak fabrics in soda ash before dyeing. Use with 100% natural fiber fabrics like cotton, rayon and wool for best results. Dyes are safe to machine wash, colors stay bright and bold through repeated washings.