Ring Sizes

Ring sizes are: X small 16,0 mm,  small 16,8 mm, medium 17,5 mm and large 18,5 mm.  Converted to Circumference : XS 16,0 Makes circumference 50,3.  S 16,8 Makes circumference 52,9.  M 17,5 Makes circumference 55.  L 18,5 Makes circumference 58