[Size]: 73cm-80cm-90cm-100cm-110cm

Size 2 T for 2 years old children height 80-90cm 

Size 3T for 3 years old children height 90-100cm

Size 4T for 4 years old children height 100-105cm

Size 5  for 5 years old children height 100-110cm

Size 6  for 6 years old children height 110-120cm

Size 7  for 7 years old children height 120-130cm

Manual measurement error 1-3 INCH