"Illusion" by Sirdar is a flat, tape yarn made in sections of short, shimmery lashes along the base of two ultra-thin strands and a thicker, black fiber. Manufactured in 6 colorfull arrays, "Illusion" is suitable for tops, scarves, vests and accessories. The content of "Illusion" is 70% nylon, 20% acrylic, and 10% polyester.