Just bough some AirTags. We originally used TrackDot GPS Luggage trackers. (
Trakdot - GPS Luggage Tracker) They we're ok and used old 2G GSM/Mobile tech but didn't work in some countries and required an annual subscription. Then the service essentially dies so we had to throw them away. They kept promising a new tech version buit thet didn't eventuate.
ps: I juct checked and they still seem to be available from Amazon. Strange since the service is not available.
"It is now confirmed that as of September 30, 2018, the connectivity service of the Trakdot 2G device is no longer available from its primary service provider. The Trakdot device itself remains functional, it is the 2G connectivity service that is no longer available; therefore, the Trakdot device ceases to operate."