Cartier CT0640O Optical Frame pairs a classic rectangular silhouette with acetate construction for everyday wear. The frame balances timeless styling with practical lens coatings and comes with original case and warranty for ready-to-wear use. Key attributes: Purple | Burgundy | Transparent | Acetate | Anti-reflective coating | Hard-coat lenses | Blue-light reduction | Includes original case and accessories | 12-month global warranty | Rectangular silhouette | Full-rim frame | Classic contemporary styling | Composition & care: Acetate | Wipe clean with a soft cloth. Store in case when not in use.