South Maid Crochet Thread: size 10. South Maid has been Americas 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 ( 104F40C) roll in towel & block do not bleach do not dry clean cool iron. Imported.