Size Chart:(Product Measurement)
8Y:Straps Length:5.2IN,Bust:25.2IN,Length:40.9IN,Waist Size:21.3-30.7IN
9Y:Straps Length:5.5IN,Bust:26.4IN,Length:42.9IN,Waist Size:22.4-31.9IN
10Y:Straps Length:5.7IN,Bust:27.6IN,Length:44.9IN,Waist Size:23.6-33.1IN
11Y:Straps Length:5.9IN,Bust:28.7IN,Length:46.9IN,Waist Size:24.8-34.3IN
12Y:Straps Length:6.2IN,Bust:29.9IN,Length:48.8IN,Waist Size:26.0-35.4IN
This data was obtained from manually measuring the product, it may be off by 0.39-0.79 IN