Emporio Armani EA4258 Optical Frame pairs a clean square silhouette with a nylon construction, offering a versatile option for everyday prescription or non-prescription wear. Key attributes: Black | Nylon | Compatible with prescription lenses | Square frame | Clear lenses | Dimensions & fit: Lens width: 54 mm | Lens width: 56 mm | Bridge: 17 mm | Temple: 145 mm | Height: 41 mm | Height: 43 mm | Composition & care: Nylon | Polyamide | Wipe lenses with a microfiber cloth; avoid harsh chemicals; store in a protective case when not in use.