Ray-Ban RX6516M Rectangular Frame pairs a classic rectangular silhouette with a lightweight metal construction. Designed for everyday prescription use, it delivers a timeless look and reliable support for lenses. Key attributes: Black | Nero | Metal | Lightweight | Durable | Corrosion-resistant | Compatible with prescription lenses | Includes original Ray-Ban case and microfiber cloth | Rectangular silhouette | Full-rim frame | Matte finish | Classic timeless design | Dimensions & fit: Lens width: 55 mm | Lens height: 39 mm | Bridge: 18 mm | Temple: 145 mm | Size M (55 mm eye width) | Fits medium face sizes | Recommended face shapes: Oval | Heart | Round | Composition & care: Metal | Clean lenses and frame with a microfiber cloth; avoid abrasive cleaners; store in the supplied case; have adjustments performed by a professional.