I purchased this star-shaped metal tag as a replacement for a cheap aluminum one that had become unreadable. The engraving on the CNATTAGS Stainless Steel Pet ID looks like it will last. After two months, there is no sign of wear from my dogs other tag rubbing on it. The finish of the tag was shiny when new, but quickly lost the shine after my dog got it dirty in mud. After I cleaned the mud, the tag was no longer shiny. That's ok for my needs. My dog is a 55 lb Labrador Retriever and the size of this tag is good. I'm going to buy another tag, but in a smaller size, for my Chihuahua/Jack Russell.