Classical Fashion Aluminium Optical Frames (KLC17013) Lens Material : Acrylic. Frame Material : Aluminum. Lens Type : Aspherical Lens. Lens Refractive Index : 1.56. Frame Type : Half. Suitable for : Unisex. Style : Fashion Glasses. Suitable for Face : All Type. Lens Color : Clear. Function : Eyewear. Acrylic Frame, Fashion Glasses, Optical Frames, Glasses Fashion, Unisex Style, Style Fashion, Frame, Color