Keep in mind most of the employees of JoAnns do not quilt or sew. Walmart here has four or five sprays that say basting spray. I can't tell any difference from them. If it says basting spray it will wash out. I have made my own and it is very good. No over spray either and no fumes.
https://www.youtube.com/watch?v=mVRrFGFXXfc&t=9s