Wonderfil yarn is a wonderful all purpose worsted medium weight yarn. Ideal for knitting, crochet and crafting projects. Great for sweaters, hats, blankets, and wherever else your imagination takes you. 70% Polyester, 30% Acrylic. Machine wash, lay flat to dry. 688 yds (630 m) per 12 oz (350 gm) ball. Suggested gauge: 16 sts & 21 rows to 4" (10 cm) on size 5.0 mm needles. Yarn Weight: 4-Worested.