Size Chart:(Product Measurement)
8Y:Straps Length:11.7IN,Hip Size:34.9IN,Bust:25.6IN,Length:35.4/28.4IN,Waist Size:23.0IN
9Y:Straps Length:12.0IN,Hip Size:36.1IN,Bust:26.8IN,Length:37.0/29.8IN,Waist Size:24.2IN
10Y:Straps Length:12.3IN,Hip Size:37.3IN,Bust:28.0IN,Length:38.6/31.1IN,Waist Size:25.4IN
11Y:Straps Length:12.6IN,Hip Size:38.5IN,Bust:29.1IN,Length:40.2/32.4IN,Waist Size:26.6IN
12Y:Straps Length:12.9IN,Hip Size:39.6IN,Bust:30.3IN,Length:41.7/33.8IN,Waist Size:27.8IN
This data was obtained from manually measuring the product, it may be off by 0.39-0.79 IN