AimTrend Giselle Aviator Women's Sunglasses High Quality Metal Material frame Good Quality Plastic Material lens Non-Polarized Lens - The main difference between polarized and non-polarized lenses is that polarized lenses are designed specifically to block the glare from reflected light while non-polarized lenses only block intense light. Lens width: 60 millimeters Lens height: 52 millimeters Bridge: 18 millimeters Arm: 131 millimeters The AimTrend Giselle Aviator Sunglasses is special designed for Woman Gradient lenses - Gradient lenses are tinted from the top down, so that the top of the lens is darkest. These lenses are good for driving, because they shield your eyes from overhead sunlight and allow more light through the bottom half of the lens so you can see your dashboard clearly. UV 400 Protection - UV Protection protect your eyes from radiation. Radiation from the sun can damage not only the skin of your eyelid but also the cornea, lens and other parts of the eye. UV exposure also contributes to the development of certain types of cataracts and possibly macular degeneration. English Style Nose Pieces Various Colors Available = Blue, Black, Red, White