I designed this tag after several close friends and family have had pets become stricken with cancer. Luckily, all of the pets in my life have survived and I wanted to be able to create a tag for other survivors.
It is shown as a dog tag, but it can be put on a necklace if an owner would want to wear it also. 

The tag is approximately 5/8" at its widest point and 3/4" at its longest point.  It comes on a split ring to easily attach to your pet's collar. 
Sterling silver.