WELCOME to Myleleya STORE Our company has 12 years experience in making baby shoes. If you want to find the first shoes for your baby, we will be a good choice for you. About shoes Size: It for 0-18 Months Baby Please measure your baby's feet to match the shoes's sole length, the age is just for reference. According to feedback, the sizes is little biger. Size 1: Recommended Age 0-6 Months,sole Length 11cm-4.33" Size 2: Recommended Age 6-12 Months,sole Length 12cm-4.72" Size 3: Recommended Age 12-18 Months,sole Length 13cm-5.12" Attention Please: About Size Item Manual measurement, it could be 0.1-0.5cm different. Your understanding will be highly appreciated!