If you’re concerned about your anonymity, keep in mind that companies frequently put ID numbers on their return envelopes to help match the returned mail piece with your record in their database. Sometimes the number is invisible (UV ink) so it doesn’t look “mass produced” to the recipient.
Friendly reminder.
Make sure that you use a box with no identifying information. Scribbling out the barcodes isnt enough.
Mailing restrictions still apply. Mailing them back rotting fish or potentially hazardous materials is a federal offence.
Mailing any kind of threat is also against the law.
If you’re concerned about your anonymity, keep in mind that companies frequently put ID numbers on their return envelopes to help match the returned mail piece with your record in their database. Sometimes the number is invisible (UV ink) so it doesn’t look “mass produced” to the recipient.
This wouldn’t work, anyway. They only prepay envelope postage, not a box.
You can fit a lot of glitter in a envelope.
You’d just be annoying some data entry employee.
Doesn’t help when you use a return postage slip. They have unique codes. Being “just annoying” is probably the safest bet.