I have spray basted my batting to the backing and the quilt top, and really like the results. The batting/backing combo is larger that the quilt top, and when I trim it to fit, I would like to save the extra backing. It will be wide enough for some narrow strips. I'm worried about the spray basting that is on the fabric. I probably won't use the strips for awhile. Should I hand wash the strips before I store them, to remove the basting spray? (I'm using a cotton quilting fabric for the backing, if that matters)
Thanks!