South Maid Crochet Thread: size 10. South Maid has been America's favorite brand of crochet thread for more than 50 years. Made of 100% pure mercerized cotton in a wide range of colorfast shades; South Maid products are available in a bedspread weight thread suitable for fashion garments; tablecloths; doilies and more. Features: 3-ply: White: 400 yds/365m; All Colors: 300yds/274m. Care: for best results: hand wash warm water or machine wash gentle (max.temp 104F40C); roll in towel & block; do not bleach; do not dry clean; cool iron.