Size Chart:(Product Measurement)
8Y:Bust:24.4IN,Length:29.5IN,Straps Length:9.8IN,Waist Size:24.0-31.5IN
9Y:Bust:25.6IN,Length:30.9IN,Straps Length:10.2IN,Waist Size:24.8-32.7IN
10Y:Bust:26.8IN,Length:32.3IN,Straps Length:10.6IN,Waist Size:25.6-33.9IN
11-12Y:Bust:29.1IN,Length:35.0IN,Straps Length:11.2IN,Waist Size:27.2-36.2IN
This data was obtained from manually measuring the product, it may be off by 1-2 CM