Bests & Worsts Reviews from Amazon

EDIT- I'm editing my review. I got on Google and educated myself about the way these work. You MUST store them in a sealed, airtight container right away to avoid activating them (which I mistakenly did by leaving the package open, exposing them to oxygen). When you're ready to use one, take it out and immediately re-seal the container. Then put it straight into the package you're planning to use it in, and seal that. I checked my packets and none seem to be hardened (which would mean they were used up and no longer functioning), so I'm cancelling my return and will keep them to try to use since it was my own fault they all got activated at once. I'm still only giving the product three stars because 1.) I think it would be nice if they shipped them in a resealable bag and 2.) they should send instructions with the product explaining what I posted above. It would save them some bad reviews and confused customers. Otherwise, the product works. ORIGINAL REVIEW: Within three minutes of opening the package, the entire thing was full of condensation and HOT- almost 160*F. I don't think I can use them in this state. Returning them.