100% wool - mulesing free!5.3 oz. / 150g492 yds / 450m19 sts x 24 rows = 4" in stockinetteUS 6-10 / 4.0-6.0mm19 sts x 24 rows in single crochetUSD 7-K / 4.5-6.5mmHand wash, lay flat to dry