Size Chart:(Product Measurement)
8Y:Straps Length:11.4IN,Underbust:20.5-30.7IN,Hip Size:22.0IN,Length:9.1IN,Waist Size:20.1-29.1IN
9Y:Straps Length:11.8IN,Underbust:21.7-31.9IN,Hip Size:23.2IN,Length:9.4IN,Waist Size:21.3-30.3IN
10Y:Straps Length:12.2IN,Underbust:22.8-33.1IN,Hip Size:24.4IN,Length:9.8IN,Waist Size:22.4-31.5IN
11Y:Straps Length:12.6IN,Underbust:24.0-34.3IN,Hip Size:25.6IN,Length:10.2IN,Waist Size:23.6-32.7IN
12Y:Straps Length:13.0IN,Underbust:25.2-35.4IN,Hip Size:26.8IN,Length:10.6IN,Waist Size:24.8-33.9IN
This data was obtained from manually measuring the product, it may be off by 1-2 CM