On the back of the loop, there was protruding metal. So I sanded it down so when you wear it, you don't feel it, but the copper shows through. 
 
You don't see it from the front of the pendant, it's hidden on the part that touches your skin.
 
1  3/4" tall by 1" wide.
 
Snap sold separately.
 
Check out the monthly Sale and Specials. Earn free jewelry when you place a minimum order of $25.