Smartie Microfiber cleaning Cloth is effective and safe for all touch screen surfaces and lenses and are trusted by tech-savvy consumers worldwide. The smartie is made out of 100% premium double-sided Microfiber that won't scratch your delicate surfaces. Durable and lint-free - keep it with your tablet case or sunglasses case - perfect travel companion for on-the-go Cleaning! Smartie cloth is also machine washable, ensuring continued protection from the germs often found on touchscreens. 2-Pack includes cooking measurements and owls cloth designs. This product is backed with a one-year limited warranty and 100% customer satisfaction guarantee by Lynktec, a chicago-based company that develops practical and high-quality Tech products like the smartie Microfiber cleaning Cloth.