Burberry BE4491 Round Sunglasses combine a classic round silhouette with refined Equestrian Knight details for a polished, versatile look suitable for everyday wear. Key attributes: Black | Nero | Acetate | Lightweight | Durable temples | Includes original case | Round silhouette | Metal Equestrian Knight logo cut-out on temples | Equestrian Knight logo on left lens | Grey gradient lens option | Gloss finish | Dimensions & fit: Lens width: 52 mm | Bridge: 20 mm | Temple length: 140 mm | Height: 45 mm | Composition & care: Frame: Bio-based acetate (contains at least 50% bio-based content) | Temples: Bio-nylon (contains at least 45% bio-based content) | Lenses: Polyamide | Wipe lenses with a soft, lint-free cloth and store in the original case when not in use.