When You calculate baby age, consider time of shipping ..

T-shirt+pants Only .

 fashion baby boy clothes cotton cartoon short-sleeved t-shirt+pants infant clothes 2pcs suit baby girl clothing sets

Size: 60 70 80 90 100

0 – 3 months = size 60

4 – 6 months = size 70

7-12 months = size 80

13-18 months = size 90

19-24 months = size 100

Note: (unit : cm)
This clothing size information is just for reference only, please check the above detailed measurement to chose the correct size, and allow 2-3cm differences due to manual measurement, thanks.