Balenciaga Bb 0521S Sunglasses combine a rectangular acetate frame with grey lenses for everyday sun protection and a polished, modern look. Key attributes: Black | Nero | Acetate | Full-rim frame | Includes case and accessories | Rectangular frame | Glossy black finish | Grey lenses | Dimensions & fit: Lens width: 53 mm | Composition & care: Acetate | Bio nylon Colour: black