Not worth the trouble, and certainly not worth the risk of printer damage and/or undelivered shipments at ANY price!

Even though these have a pretty good rating overall, I saw a lot of complaints in the reviews about bad adhesion and trouble deciphering back from front and also some other gripes

I have not had any trouble with them so far jamming or not sticking

If you only use one label you’ll have trouble using the other side because it might jam.

I haven't had any trouble with them falling off packages