This product is a physical pattern booklet. 
 
Worsted weight wool yarn in the following approximate amounts:
545 (620, 710, 855, 970) yards 
 
GAUGE
20 stitches & 34 rows/rounds = 4″ in Double Moss Stitch or Welt Stitch with Size A needle(s), after blocking
 
NEEDLES
Size A (for Main Fabric):
One 24″ circular needle and one set of double-pointed needles (DPNs)  in size needed to obtain gauge listed
Suggested Size: 4½ mm (US 7)
 
Size B (for Tubular Cast On, Tubular Bind Off, and Ribbing):
One 24″ circular needle and one set of DPNs, two sizes smaller than Size A
Suggested Size: 3¾ mm (US 5)
 
FINISHED DIMENSIONS
24½ (25¼, 26¾, 30, 33¼)” circumference at chest
Sized for 2 (4, 6, 8, 10) years
Intended Ease: approximately + 2-4”
Sample shown is size 6 (26¾)” on child who normally wears size 6
 
TECHNIQUES
Tutorials for all special techniques listed below are included in the pattern
2 x 2 Tubular Bind Off
Tubular Cast On (for 2×2 ribbed fabric)
One-Row Buttonhole
Grafting (Kitchener Stitch)