Marc Jacobs MARC 685 Frame pairs a classic rectangular silhouette with acetate construction for everyday prescription wear. The Black Crystal finish adds a refined, versatile look suitable for work and casual wear. Key attributes: Black Crystal | Acetate | Prescription-ready | Full rim frame | Prescription-ready | Rectangular shape | Full-rim silhouette | Dimensions & fit: Lens width: 53 mm | Bridge: 19 mm | Temple length: 145 mm | Composition & care: Acetate | Wipe lenses with a microfiber cloth and lens cleaner. Store in a protective case when not in use. Avoid exposure to harsh chemicals and extreme heat.