Put some ZIP in your day with this easy-to-use tie dye kit. Fun for all ages, this kit is a fantastic introduction to tie dye! You supply the shirts and everything else you need is here, including three pre-mixed colors of Procion MX dye—the undisputed king of tie dye. For use on cotton and other natural fabrics or clothing. For ages 8+. Dyes up to 5 T-shirts. Shirts not included.