Brand Name: CyxusLenses Material: PolycarbonateGender: UnisexModel Number: 8183Lens Width: 50mmLens Height: 43mmFrame Material: AcetateLens Color: TransparentFrame width: 137mmFrame arm: 145mmFrame Shape: SquareFrame type: Full rimBlue light blocking technology: HEV-Absorb TechnologyCertification: FDA,CE,RoHS