Polaroid PLD 4187/G/S/X 900(M9) Sunglasses combine a lightweight polycarbonate frame with polarized grey lenses for effective glare reduction and everyday sun protection. Key attributes: Gray | Transparent | Polycarbonate | Polarized lenses | UV400 protection | Lens filter category 3 | Prescription compatible (RX-able) | Global fit for comfort | Rectangular frame | Keyhole bridge | Transparent temples with visible core | Dimensions & fit: Lens width: 51 mm | Bridge: 18 mm | Temple length: 145 mm | Global fit | Composition & care: Polycarbonate frame | Polarized lenses | Clean lenses with a soft, lint-free or microfiber cloth; avoid abrasive cleaners and chemical solvents; store in the supplied protective case when not in use.