Size Chart:(Product Measurement)
8Y:Bottoms Length:8.7IN,Waist Size:21.3-29.1IN,Bust:24.0IN,Top Length:4.3IN,Underbust:21.3-29.9IN
9Y:Bottoms Length:9.1IN,Waist Size:22.4-30.3IN,Bust:25.2IN,Top Length:5.1IN,Underbust:22.4-31.1IN
10Y:Bottoms Length:9.4IN,Waist Size:23.6-31.5IN,Bust:26.4IN,Top Length:5.9IN,Underbust:23.6-32.3IN
11Y:Bottoms Length:9.8IN,Waist Size:24.8-32.7IN,Bust:27.6IN,Top Length:6.7IN,Underbust:24.8-33.5IN
12Y:Bottoms Length:10.2IN,Waist Size:26.0-33.9IN,Bust:28.7IN,Top Length:7.5IN,Underbust:26.0-34.6IN
This data was obtained from manually measuring the product, it may be off by 1-2 CM