925 sterling silver and Australian boulder opal. Textured hammered band and finished with a polished high mirror shine.  Size O.
.
 
Shipping comes at a flat rate of an additional £6 for signed for, tracked UK delivery and £12 for tracked international shipping. Expected delivery time from day of shipping, 3-5 working days (UK). 
 
Returns and order info located under Sizing, Shipping & Returns area of website menu.