Size Chart:(Product Measurement)
8Y:Straps Length:10.4IN,Bust:22.8IN,Length:5.3IN,Waist Size:18.9-27.6IN,Length:8.7IN,Waist Size:22.6IN,Length:13.4IN
9Y:Straps Length:10.7IN,Bust:24.0IN,Length:5.8IN,Waist Size:20.1-28.7IN,Length:9.1IN,Waist Size:23.8IN,Length:13.8IN
10Y:Straps Length:11.0IN,Bust:25.2IN,Length:6.3IN,Waist Size:21.3-29.9IN,Length:9.4IN,Waist Size:25.0IN,Length:14.2IN
11Y:Straps Length:11.3IN,Bust:26.4IN,Length:6.8IN,Waist Size:22.4-31.1IN,Length:9.8IN,Waist Size:26.2IN,Length:14.6IN
12Y:Straps Length:11.7IN,Bust:27.6IN,Length:7.3IN,Waist Size:23.6-32.3IN,Length:10.2IN,Waist Size:27.4IN,Length:15.0IN
This data was obtained from manually measuring the product, it may be off by 1-2 CM