Montblanc MB0393ON 001 Optical Frame blends a lightweight square silhouette with comfort-focused details. The injected plastic front and flat metal temples deliver a refined everyday frame suitable for prescription or plano lenses. Key attributes: Black | Silver | Plastic and metal | Lightweight design | Injected temple tips for comfort | Compatible with prescription lenses | Square frame | Flat metal temples | Montblanc Snowcap emblem on temples | Dimensions & fit: Lens width: 51 mm | Bridge: 21 mm | Temple length: 145 mm | Composition & care: Injected plastic front | Metal temples | Wipe lenses with the included microfibre cloth and store in the supplied case when not in use.