Content: 100% polyester, Care: This yarn for knitting, crocheting, amigurumi and craft projects is easy to care for, simply machine wash and dry all crafted items. Knitting Gauge: 8 sts and 13 rows with a 8 mm (U.S. 11) knitting needle Crochet Gauge: 8 sc and 8 rows with a 6.5 mm (U.S. K) crochet hook Ball Size: Each ball of this #6 Super Bulky Gauge Yarn is 300g (10.5 oz) and 201m (220 yd) long.