YUFENRA Women's Aviator Polarized Sunglasses Copper-Nickel Frame metal frame plastic lens polarized Lens width: 62 millimeters FASHION FRAME- It is made of High Quality Copper-Nickel Frame,lightweight but durable,comfortable. TAC(Traiacetate Cellulose) Polarized Gradient color Lens: They are hard coated to resist scratching and very lightweight and highly impact resistant. it is 50 times more impact resistant than optical glass. UV400 100% UV filter effectively remove glare, anti glare, anti stray light Measurements: Lens width: 62mm wide, Lens height:50mm,bridge: 18 mm , Arms: 137 mm