Product Name "Cat Skull Ring".
Default image shows polished silver patinated with bleach.
This silver ring a new rustic look by oxidizing with bleach and scrub it by hand with silver polish to give it the shine you desire.
It can choose from various materials.
Conversion chart for ring sizes
US Ring Size Inside diameter
5 15.7mm
6 16.5mm
7 17.3mm
8 18.1mm
9 19.0mm
10 19.8mm
11 20.6mm
Please also see other designs.
Shop here.
https://www.shapeways.com/shops/forma