Montblanc Square Acetate Frame pairs a classic square silhouette with the brand’s signature metal nib detail. Designed for everyday prescription wear, it offers refined style with durable acetate construction. Key attributes: Brown | Havana | Acetate | Compatible with prescription lenses | Supplied with original Montblanc case | Square shape | Metal nib icon on endpieces | Full acetate construction | Stud embellishments at temples | Dimensions & fit: Lens width: 53 mm | Lens height: 42 mm | Bridge width: 17 mm | Arm length: 145 mm | Composition & care: Acetate | Wipe lenses with a microfiber cloth. Clean frame with mild soap and water and dry with a soft cloth. Store in the supplied case when not in use.