Size Chart:(Product Measurement)
8Y:Bust:22.8IN,Length:29.5IN,Straps Length:10.2IN,Waist Size:22.8-29.1IN
9Y:Bust:24.0IN,Length:30.9IN,Straps Length:10.6IN,Waist Size:23.6-30.3IN
10Y:Bust:25.2IN,Length:32.3IN,Straps Length:11.0IN,Waist Size:24.4-31.5IN
11-12Y:Bust:27.6IN,Length:35.0IN,Straps Length:11.6IN,Waist Size:26.0-33.9IN
This data was obtained from manually measuring the product, it may be off by 1-2 CM