Size Chart:(Product Measurement)
4Y:Straps Length:10.4IN,Bust:21.3IN,Length:22.8IN
5Y:Straps Length:10.9IN,Bust:22.4IN,Length:24.4IN
6Y:Straps Length:11.4IN,Bust:23.6IN,Length:26.0IN
7Y:Straps Length:11.9IN,Bust:24.8IN,Length:27.6IN
This data was obtained from manually measuring the product, it may be off by 0.39-0.79 IN