FEISEDY CHIC Cateye Design -- Grab the New Fashion Trend, Get Rid of Dull, Time to be CHIC! Blue Light Blocking Lens -- Prevent harmful blue light; Anti-blue light glasses can effectively block harmful blue light and ultraviolet light. Whether it's a computer, a laptop or a smart phone, these glasses always help prevent unwanted blue light from the screen. So you can enjoy your digital time without worrying about anything else. Super Light -- Only 27g, Nearly Zero sense of burden, ensure greater comfortable sensation. High-end Texture -- high-end texture with metal hinges, strong and durable, great quality.