Montblanc MB0388O Eyeglasses feature a refined acetate frame and a lightweight construction, designed for comfortable everyday wear and easy prescription fitting. Key attributes: Black | Acetate | Lightweight construction | Rounded temples with flat tips for comfort | Full-rim frame for lens protection | Demo lenses suitable for prescription lenses | Rectangular / square silhouette | Snowcap nib logo on temples | Smooth shapes and polished surfaces | Dimensions & fit: Lens width: 54 mm | Bridge: 18 mm | Temple length: 145 mm | Composition & care: Acetate | Clean lenses with a microfiber cloth and lens cleaner; store in the supplied case; avoid high heat and harsh chemicals.