What type of material was the cloth made of that once came with the iphone? It is by far the best for cleaning my iPad and iPhone. I have used a dozen other kinds and they just smear the screen with the oil from my fingertips. It must be some type of spacefcraft technology because it works like a magic eraser. The cloth from my 3GS is still my go to for cleaning my screens. Does anyone know exactly what it is or where I can purchase it? Please don't say it's simply microfiber, because the two aren't even comparable.