TR90 frameTri Acetate Cellulose lensPolarizedMirror Coating coatingLens width: 2-3 inchesLens height: 39Bridge: 19 millimetersArm: 134WEAR OVER YOUR PRESCRIPTION GLASSES: A functional convenience shades to make you a safer driver by quickly putting them on when driving a car without having to fuss with clip-ons When you enter tunnel garages and other dark places, just quickly take off your fit over sunglassesYou do not have to purchase a second pair of myopic sunglasses100 percent HARMFUL UV PROTECTION: you will love the increased saturation of colors, increased vision clarity, against UV rays and prevents your eyes from being exposed to direct sunlightThe Polarized UV400 Lens sunglasses cut glare reflected from roads, water, w and other flat surfaces, reducing eyeglass fatigue and increasing outdoor safetyPerfect for sunny daysULTRALIGHT TR90 FRAME: It has the characteristics of light weight, elasticity, durability, and not easy to break(compare to other's cheap polycarbonate frame), add to the soft rubber nose pads and temples which can bring you a super comfortable wearing experience4 COLORS 2 SIZE AVAILABLE: Stylish sunglasses fit for both mend womenYou can wear it while driving, jogging, hiking, playing golf, fishing and business or participating in other outdoor activities and you will be the center of attention in the crowd