E Cloths need to be reviewed as a team. You really can't separate the cleaning cloths from the polishing cloths. Used in concert, they produce a type of clean that I have never seen before. Not only is the sparkle out of this world, but the surface remains clean for long periods of time. They're almost magical and addicting. What can I clean next???? It sounds crazy, but you just want to keep going! I can't say that with paper towels and a bottle of glass cleaner! Choose one set and see for yourself.