Thank you all for your input - I was just curious as I had not heard the name before.
I would think stitch and shape could be used in place of that product.
Peg is absolutely right...some are not using that new In-R-Foam instead...
airyfairy, it is a stabilizer. You have fusible or sew in. I use the fusible in baskets or purse. It is ultra firm. It just makes it stand up really. Peg