The thread shrinks but the fabric won't, creating a controlled puckering. The resulting wrinkled impact is beautiful and uses for it are limitless. No special iron or needles are expected and the embroidery may be sewn on any type of embroidery machine. One spool per pack. 220 yards/200 meters. The https://titusgznyj.xzblogs.com/73271120/how-covered-spandex-yarn-can-save-you-time-stress-and-money