Size Chart:(Product Measurement)
3-4Y:Straps Length:6.9IN,Bust:18.1IN,Length:19.7IN,Waist Size:16.9-24.8IN
4Y:Straps Length:7.1IN,Bust:18.9IN,Length:21.3IN,Waist Size:17.7-25.6IN
5Y:Straps Length:7.3IN,Bust:20.1IN,Length:22.8IN,Waist Size:18.7-26.8IN
6Y:Straps Length:7.5IN,Bust:21.3IN,Length:24.4IN,Waist Size:19.7-28.0IN
7Y:Straps Length:7.7IN,Bust:22.4IN,Length:26.0IN,Waist Size:20.7-29.1IN
This data was obtained from manually measuring the product, it may be off by 1-2 CM