Direct .PDF link for pattern is here.

This pattern uses between 1/2 ounce and 1 ounce of yarn depending on size made.

Gauge for the preemie/newborn size is 17 stitches and 18 rows in 2 inches.
Gauge for the older baby/toddler to 18 months size is 15 stitches and 16 rows in 2 inches.