Measurements
To fit chest
41, 46, 51, 56 cm (15, 18, 20, 22 in)
Length from back neck
23, 25, 28, 30 cm (9, 10, 11, 12 in)
Sleeve seam
15, 18, 20, 23 cm (6, 7, 8, 9 in)

Each pamphlet has a different set of recommended yarns. The following are from the King Cole A4 pamphlet (KC653).

Materials
4 Ply Knitting
Big Value Baby 4 Ply
1, 2, 2, 2 100 gram balls
Anti-Tickle 4 Ply
2, 3, 3, 3 X 50 gram balls
4 buttons.