Fixation is a fabulous cotton yarn with 1.7% elastic. It great for baby socks that don't fall off, necks on bibs, and baby hats that stay put! Each 50 gram skein contains 100 yds. Suggested needle size is a US7. Knitted on a US7, it knits to approximately 29 sts. and 12 rows to four inches. Machine wash and dry flat.