SIZE :
Size 80 : bust 9.4'' ,length 16.5'' ,Fit for 6-12 Months
Size 90 : bust 9.8'' ,length 17.2'' ,Fit for 12-18 Months
Size 100 : bust 10.2'' ,length 18'' ,Fit for 18-24 Months
Size 110 : bust 10.6'' ,length 18.8'' ,Fit for 2-3 Years
Size 120: bust 11'' ,length 19.6'' ,Fit for 3-4 Years
Tips :
Because of manual measurement ,maybe there is 2-3cm difference.