All but the very narrowest ones could be used to make a raw-edged woven fabric for a project like a cosmetic bag such as this one I made long ago. Lay out the strips vertically touching each other on a pin-able surface and pin at each end. Then weave strips in and out in the horizontally. Stitch down the center of each row with wide zigzag or decorative stitches. I really don't remember if I used a base fabric under the first strips or not, but it seems like it would help stabilize it. Here is the one I made into a cosmetic bag.