Contains prescription lenses, comes with case The SILHOUETTE eyeglasses in grey rectangle style are a sleek and modern choice for both men and women. The frame is made from durable acetate material, with a generous frame width of 145mm and a vertical height of approximately 34mm. The rectangular design features a lens socket width of 52mm and a bridge width of 18mm, providing a comfortable and secure fit. The stylish grey colour adds a touch of sophistication to this timeless eyeglasses frame model.