Dyeing has never been easier than with iDye from Jacquard! iDye comes in a dissolvable packet, so there are never any messy powders to handle: simply drop the packet into hot water or toss it in your washer! iDye is a hot water dye for natural fabrics that may be used on the stovetop or in the washing machine. For polyester and nylon, use iDye Poly.