It can be used dry or with ZEISS lens cleaning spray. This 12 x 16-inch microfiber screen cloth wipes dust and absorbs oils from your lenses, phone, laptop, tablet or other portable digital device. The microfiber cloth can be used to quickly clean eyeglasses, sunglasses and other optical equipment like camera lenses, webcams, binoculars or microscopes. Scratches are forever, which can make cleaning glass screens or lenses with your shirt or an ordinary napkin a harmful and costly mistake. ZEISS high-tech cleaning cloth safely lifts off oil, dirt and smudges from lenses and screens. Conveniently store the cleaning microfiber cloth in your purse, backpack, desk or car. Reusable and machine washable, ZEISS X-large microfiber cleaning cloth can accompany you anywhere. At home, school, work or on the move, trust ZEISS for the best lens and screen cleaning cloths. We know high-quality optics and the microfiber cloths to maintain them. ZEISS high-quality microfiber eyeglass cleaning cloth for all lens types, X-large. A high-tech microfiber cleaning cloth for all lens types. High-quality, reusable way to safely and effectively clean your premium eyeglass lenses. Can be used dry with the ZEISS lens cleaner or with lukewarm water. Safe and Effective: It provides a gentle, thorough cleaning, removing germs, fingerprints, dust, oil and smudges without scratching or streaks. Safe to use on all lens types: Safely and quickly cleans all optical surfaces, including eyeglasses, sunglasses, camera lenses and binoculars.