AW Distributing UMF-F11 Electronics/Screen Cleaning Finger Cloth Effective cleaning cloth which can hold water, has exceptional ability to absorb oils, fat, grease, and is not hard enough to scratch. To clean a surface leads to reducing the number of bacteria by 99%. Good for photographic lenses, computer screens, eyeglasses, CRT, Plasma, Cell Phones, Tablets, Book Readers, iPad, iPhone, Laptops, Sunglasses