Gauge 25 stitches and 34 rows = 4 inches in Stockinette Stitch Needle size US 3 - 3.25 mm You will need both circular needles, no longer than 16" (40 cm) long and a set of 4 double pointed needles in size US 3 (3.25 mm). Yardage 142 yards (130 m) Sizes available 0-3(3-6, 6-9, 9-12) months. Finished measurements; Head circumference: 13(14, 14, 15)" 33(, 35, 36, 38) cm Finished length: 6(6.25, 6.75, 7)" 15(16, 17, 18) cm Yarn used: Rowan Baby Cashsoft Merino Shown in shades 123 Pickles and 121 Nutkin - 1 ball for all sizes