The eclipse glasses are exclusively manufactured with 2 mil scratch resistant polymer (black/silver) lenses that filter out 100% of harmful ultra-violet and infrared rays and 99.999% of intense visible light. The premium eclipse filters create sharp solar images with a natural orange color. With an optical density of 5 or greater, these ISO 12312-2 compliant and CE certified eclipse glasses are independently tested and safe for all phases of the eclipse.