IRIS-Nylon Crochet Thread. This nylon crochet thread has a lustre and twist unlike any other product. It produces fantastic stitch definition as well as a hand with full but flexible body. Nylon s key attributes are shine, durability, and receptiveness to dyes producing vivid colors! This nylon is perfect for crochet and knitting purses, totes, placemats, home decor items, cell holders, flowers and more. Package contains 1 spool of 100% nylon thread, 197 yards, available in many colors. Care: machine wash (max temp is 104F/40C), tumble dry low or dry flat, do not bleach, do not iron, dry cleanable. Imported.