Size Chart:（Product Measurement）

9 Years:Bust:23.2IN,Length:39.8IN,Straps Length:9.8IN,Waist Size:24.0-32.3IN

11 Years:Bust:24.8IN,Length:42.9IN,Straps Length:10.2IN,Waist Size:25.2-33.9IN

13 Years:Bust:26.4IN,Length:46.1IN,Straps Length:10.6IN,Waist Size:26.4-35.4IN

14 Years:Bust:28.0IN,Length:49.2IN,Straps Length:11.0IN,Waist Size:27.6-37.0IN

This data was obtained from manually measuring the product, it may be off by 1-2 IN