Dye your own fabric, tie-dye, yarn and natural fibers with our favorite eco-friendly dyes and kits for children and adults. Jacquard's Acid (vinegar) for wool and other animal fibers, silk, feathers and nylon. Jacquard's Procion cold water dyes are just what's needed for cotton, hemp, linen, rayon and all cellulose fibers. Explore natural dyeing with our popular Earthues natural dye kits. Dye curtains, play cloths, play silks, magic wool, costumes and more - for the home, classroom and teaching.