These Iridescent threads have flecks of color in them that are truly dazzling in the light - which makes them look 3-dimensional. Use them to replicate candy, crystal effects, retro looks, fantasy, psychedelic, electric, modern and cutting edge looks - or anywhere you want to add dimensional color to your needlework and crafts. Perfect for cross stitch, needlepoint, crochet, knitting, bead knitting, bead crochet, fly fishing, crafting, embroidery, quilting, crazy quilting, and any creative technique.