Size 90/1=12M-18M
Suggest age: 12-18 months, suggest height: 70-80 cm;

Size 100/2=2T
Suggest age: 2 years old, suggest height: 80-90 cm;

Size 110/3=3T
Suggest age: 3 years old, suggest height: 90-100 cm;

Size 120/4=4T
Suggest age: 4 years old, suggest height: 100-110 cm;

Size 130/5=5T-6T
Suggest age: 5-6 years old, suggest height: 110-120 cm;

Note:1cm=0.39 inch & 1inch=2.54cm
Please allow 1-3 cm differences due to manual measurement.
Please choose the appropriate size to buy based on your baby's actual height.
Babies are different in age and height.