Earth Wood Women's Delray Sunglasses, Multi, One Size 100% Wood Wooden frame plastic lens non-polarized Lens width: 47 millimeters All of Earth Wood Sunglasses are polarized and we use the Triacetate Cellulose (TAC) polarized process. The TAC process uses a multiple layer production. Wood Frame Polycarbonate Lens 100% UV Protection  Polarized 52mm Lens Width 12mm Bridge Size 142mm Temple Length Spring Loaded Hinges