Product Name"303 Acid 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.Available in either stainless steel (antique bronze & gold plated) or silver.The default size is 20.6 mm inner diameter but you can customize the size to your liking.Click personalize to choose your US ring size.(Size support: # 7 to # 13.)Please refer to a this page US Ring Size Inside diameter7 17.3mm8 18.1mm9 19.0mm10 19.8mm11 20.6mm12 21.4mm13 22.2mmPlease also see other designs.Shop here.