Size Chart:(Product Measurement)
8Y:Straps Length:7.4IN,Bust:26.0IN,Length:28.3IN,Waist Size:29.1-23.6IN
9Y:Straps Length:7.6IN,Bust:27.2IN,Length:29.5IN,Waist Size:30.3-24.4IN
10Y:Straps Length:7.9IN,Bust:28.3IN,Length:30.7IN,Waist Size:31.5-25.2IN
11Y:Straps Length:8.1IN,Bust:29.5IN,Length:31.9IN,Waist Size:32.7-26.0IN
12Y:Straps Length:8.3IN,Bust:30.7IN,Length:33.1IN,Waist Size:33.9-26.8IN
This data was obtained from manually measuring the product, it may be off by 1-2 CM