>I have some OPENED Mainstay bars that have been in my >car for over 4 months in 95degF heat(in the shade! The >inside temp is usually WAY over 105degF). I am planing on >opening it up and trying it in another month or so(say a >prayer for me...)

You are a braver man than I. Keep us posted. It really is a good experiment since to foil packaging on these bars is so vulnerable to wear and tear.

TR