it is more correct to compare with the height: (Unit: CM) 120=5T£ºlength=44 bust=82 sleeve=39 shoulder=35, fits for: 110-120cm height / 5 Years Old
130=6T£ºlength=47 bust=86 sleeve=42 shoulder=37, fits for: 120-130cm height / 6 Years Old
140=7T/8T£ºlength=50 bust=90 sleeve=44 shoulder=39, fits for: 130-135cm height / 7-8 Years Old
150=9T/10T£ºlength=53 bust=94 sleeve=46 shoulder=41, fits for: 135-140cm height / 9-10 Years Old
160=11T/12T£ºlength=56 bust=98 sleeve=48 shoulder=43, fits for: 140-145cm height / 11-12 Years Old Note: 1.There is 2-3% difference according to manual measurement.(1 inch = 2.54 cm) 2.All measurement in cm, please note 1cm=0.3937ch, 1 inch=2.540cm 3.Please check the figures carefully and order the right size, don`t completely depend on the " age advice". It`s just for reference.