Lens Technology: Polarized lenses are used to simulating the oil found in the eyes of eagles that filters out certain harmful spectrums of light from our Sun. Product details: Frame Size- Medium; Lens Width- 51mm; Bridge width- 19mm; Temple Length- 150mm These Sunglasses are made up of light weight frame with Tri Acetate Cellulose lens in the shape of Cat Eye Care Instructions: With the Titan lens Solution, keeping your shades clean becomes very easy. Just spray some on your lenses and wipe them with a microfibre cloth to keep your lenses smudge-free. Cat Eye Shaped Violet Colored Sunglasses from Crest