Muzzy is a bold, sturdy frame that looks great on just about anyone. These are thoughtfully designed stylish readers with a quality you can really feel, and are designed to block blue light while reducing smudging and glare. Caddis Design Details: Versatile style with a large fit. Highly-sculpted frame design has an architectural look. Metal diamonds embellish the front of the frame at the temple. Sturdy 5-barrel hinges ensure security and stability. Temples feature a wire core for customizable fit. Materials: Frame: Premium bio-based, high-density acetate. Hardware: Custom alloy metals. Lenses: Proprietary Frq blue light filtering CR39 lens.