Size Chart:(Product Measurement)
4Y:Length:9.8IN,Waist Size:17.3-25.2IN
5Y:Length:10.6IN,Waist Size:18.1-26.4IN
6Y:Length:11.4IN,Waist Size:18.9-27.6IN
7Y:Length:12.2IN,Waist Size:19.7-28.7IN
This data was obtained from manually measuring the product, it may be off by 1-2 CM