Size Chart:(Product Measurement)
8Y:Straps Length:10.6IN,Hip Size:28.3IN,Bust:24.6IN,Shoulder:11.7IN,Length:26.4/19.4IN,Waist Size:21.9IN
9Y:Straps Length:11.0IN,Hip Size:29.5IN,Bust:25.8IN,Shoulder:12.1IN,Length:27.8/20.5IN,Waist Size:23.0IN
10Y:Straps Length:11.4IN,Hip Size:30.7IN,Bust:27.0IN,Shoulder:12.6IN,Length:29.1/21.7IN,Waist Size:24.2IN
11Y:Straps Length:11.8IN,Hip Size:31.9IN,Bust:28.1IN,Shoulder:13.1IN,Length:30.5/22.8IN,Waist Size:25.4IN
12Y:Straps Length:12.2IN,Hip Size:33.1IN,Bust:29.3IN,Shoulder:13.5IN,Length:31.9/23.9IN,Waist Size:26.6IN
This data was obtained from manually measuring the product, it may be off by 0.39-0.79 IN