Authentic TIFFANY & CO. TF4192 80013C BLACK W/ GREY GRADIENT 。TIFFANY & CO TF4192-80013C-54 Front Color FamilyBlackLenses MaterialPlasticLenses PropertiesStandardLenses ColorGrey GradientDetails Lens width54 mm Bridge width17 mm  Lens Height 51 mm You can check the size of your existing eyewear by looking at the inner side of the temple as a reference *measurements in mm Info Category: Sunglasses Gender: Woman Shape: Irregular Front material: Plastic Temple material: Metal Bridge design: Single Bridge Geofit: International Base: 4 Rx-able: Yes Rim type: Full rim