Measurements
To fit chest sizes
40, 45, 50 cm (16, 18, 20 in)
Finished measurements
45, 50, 56 cm (18, 20, 22½ in)
Length to back of neck
19, 23, 27 cm (7½, 9, 10¾ in)
Sleeve seam
12, 14, 16 cm (4¾, 5½, 6¼ in)

Each pamphlet has a different set of recommended yarns. The following is from the Richard Poppleton version.

Materials
POPPLETON Baby Double Knitting
Emmerdale Baby 2, 3, 3 40 gram balls
Fragrant Baby 4, 5, 7 20 gram balls
Crochet hook if required
3 buttons if required.