When my kids were little, I was always paranoid that someone was going to snatch them from me. There are some crazy stories about that sort of thing happening, you know. When we went to big amusement parks, I would use permanent marker to write our family name and phone number on their tummies. That way the information was hidden under their shirts, and they would have a waterproof way to keep contact information on them. It would easily come off later with baby oil and a cotton ball.
It’s always a good idea to have a plan for what to do if a child gets lost. These 5 Helpful Tips for Keeping Kids Safe in Crowded Places is a great place to start!