Please note that you have to shield the magnets sufficiently if you plan to send them by mail.
Otherwise the magnets may damage goods in other letters, such as credit cards, or get stuck in the mail sorting machines.
The save the date magnets can easily be wrapped in paper or bubble wrap or protected with styrofoam.
Test with a paper clip if the envelope is magnetic on the outside.
If this is not the case, you can send the magnets.
Further information can be found in our FAQ on the subject of "Mailing