Product review (1 stars): Not what I expected
I'm not happy with these.  First of all, I thought they were square but they are ROUND.  Don't most gas stoves have square burners?  Anyway, these did not fit or offer appropriate coverage.  Also, they are not very sturdy.  They are nothing more than a thin layer of aluminum foil.  I was expecting something made more like a aluminum pie pan quality.  These are not of that quality or strength.