It is mesmerizing, it is intimidating, it is infinite, it is π to the 8,879th digit. And it'll clean those optical refractors better than anything you've ever tried.

All Secretly Nerdy microfiber cloths are made from 100% recycled materials, are guaranteed to remove smudges, smears, and grime from lenses and screens, and their digits appear to be infinite and randomly distributed, but no proof of this last conjecture has been found.

Dimensions: 12" X 12"