For Avata2 traversing machine filter can effectively filter light and UV light, protect eyeseight from the radiation of electronic devices. Highly transmittance glass, clear and transparently Thin, lightweight and comfortable; agnist finger print coating, easy to clean; Multiple color available, fashionable. People who often use electronic devices; When use electronic devices such as computer, mobile phones, tablets, etc. in various occasion such as offices, schools, home and so on