The glasses are known, their brand is Osan's exclusive design with a black rectangular acetate frame and clear lenses that provide protection from device rays (blue light rays) to keep your eyes protected from harmful rays with the highest levels of clarity and visual comfort. These glasses are ideal for people who use devices for long periods. - Lenses protect from blue light (Anti-blue light) - Lenses protect from UV rays (UV-400) Gender: Neutral - Shatter-resistant frame - Weight 28 grams The glasses are used, new. The reason for selling is that I threw away the box and they said I can't exchange it. Lens Material: Glass Brand: Gucci Type: Prescription Frame Material: Plastic Lens Features: Blue Light Blocking