Firstly, if they say this backdrop can be folded back into a circle and put in a bag, they are lying! I watched all the youtube videos, tried the long side, the short side, cursed, cried, threw across the room and the damn thing just didn't fit! Be prepared that once opened you will never be able to remove it! Second, the "white" side is a small cotton fabric. It works well as a plain white background if you want to use the app after whitening the photo or removing the background, but I was…