From the Knit Rowan website:
Knit this childrens long sleeved cardigan, a design from the Rowan archive that is now available to purchase online. Designed by Martin Storey using our wonderful soft blend yarn Wool Cotton 4ply (wool and cotton), this striped cardigan has a cute, contrasting heart detail on the left front of the garment.

Finished width dimensions:
25.5, 26, 27, 28, 29, 30.5 cm
10, 10, 10.5, 11, 11.5, 12 inches

Yarn Information:
A - Antique 480
1, 1, 1, 1, 2, 2 skeins
197, 197, 197, 197, 394, 394 yards

B - Leaf 491
2, 2, 2, 2, 2, 3 skeins
394, 394, 394, 394, 394, 591 yards

C - Flower 485
1, 1, 1, 1, 1, 1 skein
197, 197, 197, 197, 197, 197 yards

D - Petal 484
1, 1, 1, 1, 1, 1 skein
197, 197, 197, 197, 197, 197 yards

Extras:
QTY (4) BN1150 buttons from Bedecked