The Liu Jo LJ2820 Optical Frame is a black acetate frame with a classic round silhouette, designed for everyday vision correction and a refined, versatile look. Key attributes: Black | Acetate | Full rim frame | Demo lenses included (replaceable by an optician) | Includes original Liu Jo case | Round silhouette | Dimensions & fit: Lens width: 51 mm | Bridge: 18 mm | Temple length: 140 mm | Lens height: 43 mm | Composition & care: Acetate | Clean lenses with a microfiber cloth and lens cleaner; store in the included case when not in use; avoid abrasive cleaners and prolonged heat.