Montblanc Butterfly Optical Frame blends a lightweight metal construction with a refined butterfly silhouette for a polished everyday eyewear option. Designed to accept prescription lenses and supplied with the original Montblanc case. Key attributes: Gray | Silver | Metal | Compatible with prescription lenses | Butterfly shape | Full rim frame | Metal temples | Dimensions & fit: Lens width: 50 mm | Bridge: 21 mm | Temple length: 145 mm | Composition & care: Metal | Wipe lenses with a microfiber cloth; clean frame with mild soap and water; store in the supplied case.