I had the same problem once with the fusible fleece. It would stick in one area and not another. I read somewhere that if you first use a very lightweight, all cotton fusible interfacing, then use the fusible fleece over that, it will work beautifully. I have not tried it, but I will when I make another bag. I would probably try it on a scrap of fabric first. I think pre washing the fabric might also be a good idea.