Size Chart:?Product Measurement? 8Y:Length:14.2IN,Hip Size:21.7IN,Length:8.9IN,Waist Size:19.7-29.1IN,Length:5.3IN,Straps Length:12.6IN,Underbust:21.7-29.1IN 9Y:Length:15.0IN,Hip Size:22.8IN,Length:9.3IN,Waist Size:20.9-30.3IN,Length:5.6IN,Straps Length:13.0IN,Underbust:22.8-30.3IN 10Y:Length:15.7IN,Hip Size:24.0IN,Length:9.6IN,Waist Size:22.0-31.5IN,Length:5.9IN,Straps Length:13.4IN,Underbust:24.0-31.5IN 11Y:Length:16.5IN,Hip Size:25.2IN,Length:10.0IN,Waist Size:23.2-32.7IN,Length:6.2IN,Straps Length:13.8IN,Underbust:25.2-32.7IN 12Y:Length:17.3IN,Hip Size:26.4IN,Length:10.4IN,Waist Size:24.4-33.9IN,Length:6.5IN,Straps Length:14.2IN,Underbust:26.4-33.9IN This data was obtained from manually measuring the product, it may be off by 1-2 CM