Size Chart:(Product Measurement)
8Y:Straps Length:8.2IN,Belt Length:51.2IN,Bust:29.1-29.9IN,Length:33.5IN,Waist Size:22.8-29.9IN
9Y:Straps Length:8.4IN,Belt Length:51.2IN,Bust:30.3-31.1IN,Length:35.2IN,Waist Size:24.0-31.1IN
10Y:Straps Length:8.7IN,Belt Length:51.2IN,Bust:31.5-32.3IN,Length:37.0IN,Waist Size:25.2-32.3IN
11Y:Straps Length:8.9IN,Belt Length:51.2IN,Bust:32.7-33.5IN,Length:38.8IN,Waist Size:26.4-33.5IN
12Y:Straps Length:9.1IN,Belt Length:51.2IN,Bust:33.9-34.6IN,Length:40.6IN,Waist Size:27.6-34.6IN
This data was obtained from manually measuring the product, it may be off by 1-2 CM