This carbon eyeglass cleaner leaves the inside and outside of your lenses smudge- and oil-free every time. Remove dust with the included brush, then let the facing carbon pads wipe off oils and smudges-even in the most difficult corners. Eliminates fingerprints, smudges, streaks, greasy residue, and filmSafe for use on all high quality optical lensesCompact design and carrying case makes it handy and easy to take anywhereReusable; cleans lenses 500+ times