Amzer Microfiber cleaning cloth is a fast and safe way to clean any wireless device. Removes dirt, particles, smudges and fingerprints from many delicate surfaces such as cell phone, BlackBerry, Treo, PDA, iPod, camera, computer screen, and many other items. Environmentally friendly and saves you money since they are machine-washable and can be reused multiple times! Microfiber cloth is non-scratching, non-linting, and made of a durable polyester/nylon blend. Pack of 4. *Caution: Microfiber cloth itself does not scratch surfaces, but can pick up particles that do scratch.