A. 217 Naples Blue - 2 balls
B. 221 Off White - 1 ball
22 stitches and 30 rows = 4 inches in Stockinette Stitch
US 3 - 3.25 mm
US 6 - 4.0 mm
You will need circular needles, no longer than 16” (40 cm) in both size US 3 (3.25 mm) and US 6 (4.0 mm)
One size - to fit average adult head