Butterfly Organic - Wonderfully Cushy! 85% SW Organic U.S. Wool, 15% Nylon Spun & Dyed in the U.S. Machine washable Wool & Nylon Weight 100 grams 425 yds Will make 1 large pair of socks #0-2 ndls 7-9 st per in Machine wash cold, hang to dry or toss in dryer.