Voberry Newborn Baby Girl's Cotton Bowknot Polka Dot Walking Soft Sole Crib Shoes please compare the following size with your baby size before you choose them . Suitable Age--3~6 Month, Inner Length--10.5cm /4.1" Suitable Age--6~9 Month, Inner Length--11cm/4.3" Suitable Age--9~12 Month, Inner Length--11.5cm/ 4.5" Material of shoes:Cotton Fabric