And it depends on what kind of things are forwarded. If it's daily necessities or food, it's actually mainly unpacked, so it's basically impossible for someone to change the bag. However, if it is more expensive health care products such as Ejiao or bird's nest and shark's fin, it is best to let the other party pay attention when forwarding it, get some signals that they understand, or remember the first few or the last few of the packaging barcode, so that it is
If it is an electronic product, you'd better be careful. If there is plastic packaging, it will be more difficult to replace it easily. If it is an electronic product, it is best to find an acquaintance to forward it directly, not through the hands of a third party. After all, there is no guarantee for any accident.
But if you remove the above three things, that is, some cheaper things or irreplaceable things, you can actually send them with confidence, but once the value is high, no one can guarantee what to do after being switched, so you'd better be careful at this time.