This is a 4-pack of XL-size Industrial-Quality Microfiber Towels from Endust. These will remove dust, fingerprints and smudges from the screens and other surfaces of your electronic devices. Computer screens, LCD and plasma TV screens and more can all be cleaned safely. The towels are hemmed on all sides, may be used dry or slightly damp, and are reusable and machine washable. The soft, low-lint microfiber won't scratch equipment. For best results, use with a spray cleaner that can safely be applied to electronics.