If your pet ever slips out, the person most likely to find them is a neighbor, not a shelter. So keep the tag simple: your mobile number first, then your pet's name and a flag like Indoor Cat or Needs Meds. Skip your address, a reward amount, and the microchip number. This guide covers what to engrave line by line, how tags compare to microchips and AirTags, which cities accept a custom license tag, and why Kissamo's laser-engraved acrylic stays readable.