As far as we're concerned, these little microfiber cloths live up to the “magic” in their name. When you need to clean smudges, oils, dust, or fingerprints off your device screens/eyeglasses/telescope or binocular lenses/whatever else, one of these will quickly get the job done. Stash them all over the place so you're never without one.

We recommend getting the pack of six for $9 to start with, although they have several other pack sizes as well.