Stanley is 3 and wearing size 2-3Y.
Olive is 8 and wearing sizer 8-9Y.

Garment measurements by size (approximately):
Size (cm) 18-24 2-3Y 4-5Y 6-7Y 8-9Y
Waist 18 19 22 23 25
Length 49 51 63.5 68.5 77