Winter girls' new style down jacket for children, starry sky with diamond fashion zipper down jacket for girls, trendy children's coat.

So it is more accurate to compare with the increase: 
(Unit: cm) 
6/80=9 M/12 M: length=40 chest=62 sleeve=37, suitable for: height 70-80 cm / 9-12 months 

8/90=18 M/24 M: length=43 chest=66 sleeve=39, suitable for: height 80-90 cm / 12-24 months 

10/100=3T: length=46 chest=72 sleeve=40, suitable for: height 90-100 cm / age 2-3 years 

12/110=4T: length=49 chest=78 sleeve=42, suitable for: height 100-110 cm / age 3-4 years 
Note: 
1. There is a 2-3% difference according to manual measurement. (1 inch = 2.54 cm) 
2. All measurements are in centimeters, please note that 1 cm = 0.3937 inches, 1 inch = 2.540 cm. 
3. Please check the numbers carefully and request the correct size; do not rely entirely on the 'age advice.' It is only for reference.