Koko is 8, 125cm tall and wears size 8-9Y
Harriet is 4, 103cm tall and wears size 4-5Y



Garment measurements by size (approximately):
Size (cm) 12-18 18-24 2-3Y 4-5Y 6-7Y 8-9Y
Length 32 38 44 48 55.5 59
Front Chest 34.5 37.5 39 41 42 45