S 11CM/4.3" 0-6 Months 4 3 19 Infant. M 12CM/4.7" 6-12 Months 5 4 20 Infant. Design Is Easy To Adjust The Size To Fit.The Important Thing Is That It Can Always Be Fixed On The Baby's Feet.Providing The Baby More Support When They Are Learning To Walk,Playing and Running.
eBay