Size ONE SIZE 37/38 EU 39/40 EU 41/42 EU 43/44 EU 45/46 EU XS S M L XL XXL Ring 10 Ring 12 Ring 14 Ring 16 Ring 18 Ring 20 Ring 22 Ring 24 Ring 26 6/9 Months 12/18 Months 18/24 Months 24/36 Months 3/4 Years 4/5 Years