Mrs. SaniClean’s SaniCloth is a handy 6" x 6" microfiber silk cloth that effortlessly removes smudges from fingerprints, skin oil, dust and other particles from all smooth surfaces – especially eyeglasses, sunglasses and electronics! So why risk scratching your expensive lenses and electronics by not having the right cloth handy? These are so inexpensive you can always have one on hand. Depending on the surface that needs to be cleaned, you might want to first use the cloth to gently brush away contaminants. Then, taking the cloth in your fingers, wipe away any remaining contaminants until a clean, clear, sparkling surface is left.