Size Chart:(Product Measurement)
4Y:Straps Length:8.3IN,Bust:21.3IN,Length:27.6IN,Waist Size:25.6-19.7IN
5Y:Straps Length:8.7IN,Bust:22.4IN,Length:29.9IN,Waist Size:26.8-20.5IN
6Y:Straps Length:9.2IN,Bust:23.6IN,Length:32.3IN,Waist Size:28.0-21.3IN
7Y:Straps Length:9.7IN,Bust:24.8IN,Length:34.6IN,Waist Size:29.1-22.0IN
This data was obtained from manually measuring the product, it may be off by 1-2 CM