Sizes
Underarm - A (22in/56cm), B (24in/61cm) & C (26in/66cm)
Length from top of shoulder - 13in/33cm (14.5in/37cm, 15.5in/39cm)
Length of sleeve seam - 9in/23cm (11in/28cm, 13in/33cm)

Yarn - 9 balls (11 balls, 13 balls)

Additional material - zip fastening - 12in/30.5cm (14in/35.5cm, 14in/35.5cm)