Michael Kors Vivianna II is an acetate optical frame that pairs a defined square silhouette with polished finishes for everyday prescription or fashion wear. Key attributes: Brown | Havana | Acetate | Suitable for prescription lenses | Includes original Michael Kors case and cleaning cloth | Available in multiple sizes (52, 54) | Rectangle/square frame shape | Polished finish | Temples with subtle brand logo | Dimensions & fit: Lens width: 52 mm; also available in 54 mm | Bridge: 16 mm | Temple: 135 mm | Height: 38 mm | Medium fit | Recommended for round, oval and heart face shapes | Composition & care: Acetate | Wipe lenses with a microfiber cloth and store frames in the protective case when not in use. Avoid exposure to extreme heat and abrasive cleaners.