Size Chart:(Product Measurement)
8Y:Straps Length:4.7IN,Bust:27.6IN,Waist Size:22.8-29.9IN,Length:28.3/24.8/29.0IN
9Y:Straps Length:4.7IN,Bust:28.7IN,Waist Size:24.0-31.1IN,Length:29.6/26.1/30.4IN
10Y:Straps Length:4.7IN,Bust:29.9IN,Waist Size:25.2-32.3IN,Length:30.9/27.4/31.9IN
11Y:Straps Length:4.7IN,Bust:31.1IN,Waist Size:26.4-33.5IN,Length:32.2/28.7/33.3IN
12Y:Straps Length:4.7IN,Bust:32.3IN,Waist Size:27.6-34.6IN,Length:33.5/29.9/34.8IN
This data was obtained from manually measuring the product, it may be off by 0.39-0.79 IN