0 - 6 months 39 - 43 cm
6 - 12 months 45 - 46 cm
1 - 2 years 47 - 49 cm
2 - 4 years 50 - 51 cm
4 - 6 years 52 - 53 cm
6 - 8 years 54 - 55 cm

We are happy to provide you the exact measurement of the item to help you order the correct size, please contact us.