The product is a pack of 5 Miller 216326 welding helmet replacement outside safety lens plates. These lenses are made of polycarbonate material and are designed for use with welding helmets. The brand, Miller, is known for producing high-quality welding equipment and accessories. These replacement lenses are essential for maintaining the safety and protection of welders during their work. Made in Korea, Republic of, these units offer durability and reliability for various welding applications.