You will need stitch holders and 3 buttons. Rowan used BN1269 from Bedecked in the UK.

Finished measurements:
Back width: 25.5(27, 28, 29.5, 30.5) cm 10(10.5, 11, 11.5, 12)“
Finished length: 17.5(19, 20.5, 22, 23.5) cm 1(7.5, 8, 8.5, 9.5)”
Sleeve length: 14(16, 18, 20, 22) cm 5.5(6.5, 7, 8, 8.5)“

Yarn used:
Patons UK Fairytale Merino Mix DK
A. 01037 Fuchsia - 1 (1, 2, 2, 2) balls
B. 01070 Jade - 1 ball for all sizes
C. 01053 Sky Blue - 1 ball for all sizes
D. 01035 Pale Pink - 1 ball for all sizes