Originally Posted by himnherr

I just made my 1st lunch bag. I used a vinyl coated fabric for the lining and for insulation I used 1 layer insulbrite, and I also bought a window shade from the Dollar Tree and cut it up and used it! It helped make the sides firmer, but the combo of those 2 things makes that little lunch bag keep things cold! It does way better than any store bought bag I have. I'm going to do it again for sure.

Sorry, I don't know why the pictures are sideways- I uploaded them from a different source. :-(