Matthew Rectangle clip-on eyeglasses combine flexible and extremely durable TR material clip-on and polished metal frame together. Each frame and matching sunshade is high-quality and comfortable. Magnetic clip-on sunshade sets come with prescription eyeglasses and a polarized sunshade that snaps on securely to the front rim with hidden magnets for seamless sunglasses. Polarized lenses will protect your eyeglasses from harmful sunlight in summer. They are valuable in Gunmetal, Brown, Blue and Black colors. This is a great choice for men in summer. Styles: Clip-ons, Nerd.