Originally Posted by sesjennings
One of the best totes I made had a bottom made from a piece of adhesive vinyl floor title. I covered it in left over batting and made a sleeve out of lining fabric. It doesn't crack...isn't heavy...and holds the purse shape. any of the hardware stores have this. We had some left over from a home project
This is what I have done too. They are pretty cheap (under $1 for a 12" square) at Lowes or Home Depot.
I recently needed larger bag bottoms and got some corrugated plastic from a sign store...but after this year's elections I plan to pull up a bunch of the signs and use the plastic!