😎 PERFECT LENS: uv400 regular dark gray and beautiful blue lenses, made from strong and durable polycarbonate as used in sports and safety applications. 😎 COMFORTABLE: reduce the irritation of light to the eyes, make you see more clearly and more comfortable and reduce eyestrain. 😎 SIZE: Lens: 58mm*37mm|Bridge Width: 13mm|Frame Width: 132mm, will fit most prescription or non-prescription spectacles, whether full frame, half frame or rim-less. 😎 EASY TO USE:durable and flexible spring-loaded clips will not easy to break, pop/flip design made the lens can be flipped 180 degrees. 😎 IDEAL FOR: get a good vision when driving, reading in the sun, fishing, boating, skiing and other outdoor activities.