This pattern may have several errors.

Size
6 mos. to 1 yr.
Finished Measurements
Chest = 21 inches / Length = 23 inches

Bernat Baby Coordinates
75% acrylic, 22.2% acetate, 2.6% nylon
471/430m (6oz/170g)
1 ball #01009 Soft Blue (A)
1 ball #09131 Blue Bon Bon (B)

Crochet hook size H/8 (5 mm)

Gauge: 14 dc and 8 rows = 4” / 10cm

1½ yards snap tape with plastic snaps