Care Touch Lens Screen Cleaning Wipes, Pre Moistened Cleansing Cloths Great for Eyeglasses, Tablets, Camera Lenses, Screens, Keyboards and Other Delicate Surfaces - 400 Individually Wrapped WipesPrecaution: On glossary surfaces, test on a small area first Single use only - please use new wipes as needed. A dirty or or dry wipe can scratch. Not for use on contact lenses. It contains Isopropyl AlcoholDirections:Gently brush away dust and dirt with the folded wipe. Unfold the wipe and gently clean the surface with circular movement until clean and dry.