The front frame is made of grillamid, which is antibacterial, resistant to breakage and sunlight, and the handles are made of metal.; Color:Matte Black; Lens Size:53 (Medium face types); Nasal Bone: 17; Shank Length: 145; Frame Style :Full Rim; Frame Material:Grillamid; Flexibility: High Ability; Antiallergic:Yes; Weight: Ultra Light; Balance: Proper weight balance; Glass: UV and Polarized; Warranty: 2 Years Warranty.; It will be sent with its original case, cleaning cloth and warranty certificate.;