So for me they are not the best product but I am sure they are fine for ...
They seem very well made and probably work, however when I use them I wake up with it laying somewhere in the bed.  I think I am taking it out in the middle of the night.  So for me they are not the best product but I am sure they are fine for others.  I however will be sticking with the breatheright strips.
Rating: 3 stars