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

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

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

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

Size 130=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. Fat babies please take the bigger size.