IRIS-Nylon Crochet Thread. This nylon crochet thread has a luster 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-percent 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.