This is a pair of semi-rimless eyeglasses for both men and women. The front frame is made from high qualified sleek metal, while the arms are constructed of light and resilient plastic, which weighs only 16 grams with basic lenses, helping to grasp your heads with super comfort. The rectangular-shaped lenses, with suitable size are only for single vision correction needs. Four colors for option, include black, blue, gunmetal and red. Proper for most occasions and express mature and intelligence all the time.