Size 73=6M, 9M
Length: 31 cm, Chest*2: 35 cm, Suggest age: 6-9 months, Suggest Height: 60-65 cm;

Size 80=12M
Length: 33 cm, Chest*2: 36 cm, Suggest age: 12 months, Suggest Height: 65-75 cm;

Size 90=18M
Length: 35 cm, Chest*2: 37 cm, Suggest age: 18 months, Suggest Height: 75-85 cm;

Size 100=2T
Length: 37 cm, Chest*2: 38 cm, Suggest age: 2 years old, Suggest Height: 85-95 cm;

Size 110=3T, 4T
Length: 40 cm, Chest*2: 39 cm, Suggest age: 3-4 years old, Suggest Height: 95-105 cm;

Size 120=5T
Length: 43 cm, Chest*2: 40 cm, Suggest age: 5 years old, Suggest Height: 105-115 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.