Tulip Super Big 12 Color Tie Dye Kit Bundle Bundle includes enough tie-dye supplies for up to 4 People Includes 12 easy-squeeze bottles of highly-concentrated nontoxic one-step dyes in popular colors - just add water to activate No need to presoak fabrics in soda ash before dyeing Includes step-by-step technique guide featuring over 8 tie-dye looks Dyes are safe to machine wash - colors stay bright and bold through repeated washings