WHY HOLLOW-CARVED DOG TAGS? * Our Hollow-carved Dog Tags maximize the phone number. People can still read it clearly so they can get the owner's information without touching the frightened pets. Increase the chance that the pet will be rescued. * In addition to using hollow-carved engraving techniques, information is never scratched and lost. We guarantee your satisfaction, any question please contact us [[email protected]] first. We will replace or refund your purchase. Material:304 Stainless steel / Mirror polished Weight:8g / 25mm width