Size Chart:(Product Measurement)
8Y:Bust:31.9IN,Length:15.4/18.3IN,Bicep Length:10.8IN,Sleeve Length:4.5IN,Sleeve Length:6.4IN,Cuff:10.8IN
9Y:Bust:33.1IN,Length:16.1/19.1IN,Bicep Length:11.1IN,Sleeve Length:4.6IN,Sleeve Length:6.5IN,Cuff:11.1IN
10Y:Bust:34.3IN,Length:16.9/19.9IN,Bicep Length:11.4IN,Sleeve Length:4.7IN,Sleeve Length:6.7IN,Cuff:11.4IN
11Y:Bust:35.4IN,Length:17.7/20.7IN,Bicep Length:11.7IN,Sleeve Length:4.8IN,Sleeve Length:6.9IN,Cuff:11.7IN
12Y:Bust:36.6IN,Length:18.5/21.5IN,Bicep Length:12.0IN,Sleeve Length:5.0IN,Sleeve Length:7.0IN,Cuff:12.0IN
This data was obtained from manually measuring the product, it may be off by 1-2 CM