Content: 100% Acrylic. This yarn is great for knitting, crocheting, amigurumi and craft projects. Easy to care for: machine wash and dry. Gauge:#4 Worsted (Medium). Knitting Gauge: 4” x 4” (10 cm x 10 cm) 16 sts x 20 rows with 5 mm knitting needle ,Crochet Gauge: 4” x 4” (10 cm x 10 cm) 12 sc x 13 rows with 5 mm crochet hook Ball Size: 454g / 16 oz, 742 meters / 812 yards