(Unit：CM)
80=6M-12M：length=39 bust=50 sleeve=31, fits for: 65-75cm height / 6-12 Months

90=12M-18M：length=40 bust=52 sleeve=32, fits for: 75-85cm height / 12-18 Months

100=18M-24M：length=43 bust=56 sleeve=36, fits for: 85-95cm height / 18-24 Months

110=3T：length=46 bust=60 sleeve=38, fits for: 95-105cm height / 3 Years Old

120=4T：length=49 bust=64 sleeve=41, fits for: 105-115cm height / 4 Years Old

130=5T：length=52 bust=68 sleeve=44, fits for: 115-125cm height / 5 Years Old

140=6T-7T：length=55 bust=72 sleeve=47, fits for: 125-135cm height / 6-7 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.