Isabel Marant IM 0260 Optical Frame pairs a square acetate silhouette with prescription-ready construction for everyday corrective wear. Key attributes: Beige | Nude | Acetate | Suitable for prescription lenses | Full rim frame | Demo lenses included (replaceable by an optician) | Square frame shape | Acetate finish | Dimensions & fit: Lens width: 54mm | Bridge: 13mm | Temple length: 145mm | Size: 54 mm (medium) | Composition & care: Acetate | Clean lenses with a microfiber cloth; store in a protective case; avoid exposure to chemicals and extreme heat.