MONTBLANC Optical Frame MB0011O is a refined acetate eyewear piece designed for everyday prescription wear. Its rectangular silhouette and signature temple detail make it a polished choice for work and leisure. Key attributes: Black | Acetate | Prescription ready | Lightweight construction | Includes protective case | Rectangle frame | Full rim | Thin temples | Snow cap motif on temples | Montblanc logo on temple | Dimensions & fit: 54-19-150 mm (lens width - bridge - temple) | 57-19-150 mm (lens width - bridge - temple) | Available in multiple sizes (examples: 54-19-150 mm and 57-19-150 mm) | Composition & care: Acetate | Wipe with a soft, lint-free cloth. Store in the included case when not in use.