I have been looking for a while now and since the bungee days with every pack landing within 8 days, I've now had 4 not land (all different drops, real names, reships, not scammers) The envelope method was flawless, they don't touch hands, go through sorting machines and land very fast. I don't want tracking, I won't ask for reships. I just want the old days back.
You can ask a vendor to do that for you I'm sure. Depends on what it is. I've received DMT in a normal envelope. Very good stealth too