Montblanc Optical Frame offers a slim, square acetate design from the brand's Nib family, featuring a distinctive nib detail on the temples and designed for everyday prescription wear. Key attributes: Brown | Acetate | Full-rim construction | Thin, easy-to-wear acetate frame | Durable acetate construction | Compatible with prescription lenses | Supplied with Montblanc case | Square silhouette | Nib detail on temples | Montblanc lettering logo on temples | Thin acetate temples | Dimensions & fit: Lens width: 52 mm • Bridge: 18 mm • Temple: 145 mm | Lens width: 54 mm • Bridge: 18 mm • Temple: 145 mm | Composition & care: Acetate | Wipe lenses with a microfiber cloth; clean frames with mild soap and water; store in the supplied case.