I used Insul-brite on the inside sandwiched between two pieces of pure cotton batting, so it should be good to use. Nothing worse than burning yourself.
I bought the fabric online for another project and it ended up being way too large of a print. I didn’t want to not use it because it was so cute. I was brainstorming on a way to focus on the fabric and came up with a pot holder. I love a useful craft!