Montblanc Rectangle Optical Frame combines a refined rectangular silhouette with a lightweight injected front and metal temples. Designed for everyday prescription wear, it balances comfort with a polished, professional look. Key attributes: Black | Acetate | Rx-ready | Lightweight construction | Anti-slip temple tips | Injected front for reduced weight | Rectangular full-rim shape | Metal temples with Montblanc snowcap emblem | Dimensions & fit: Lens width: 52 mm | Bridge width: 21 mm | Temple length: 150 mm | Lens height: 40 mm | Standard fit | Composition & care: Acetate | Metal | Clean lenses with a microfiber cloth and lens cleaner; store in the supplied case; avoid high heat and abrasive cleaners.