Sizes 

0-0 ---- For Baby 0-3 Months

0-2.5 ---- For Baby 3-12 Months

3-5.5---- For Baby 12-18 Months

6-8.5  -----For Baby 18-24 Months or 2-3 Years

The sizes are shoes sizes so please select accordingly

FREE SHIPPING INFORMATION : This product is eligible for FREE Economy Delivery when purchased by itself or with other eligible accessories. (UK only).