Chanel Optical Frame is a square acetate eyeglass frame designed for versatile, everyday wear. Its classic shape adapts easily to different styles and accepts single vision and progressive lenses. Key attributes: Black | Acetate | Blue light filter option available | Single vision and progressive friendly | Includes original case and cleaning cloth | Includes certificate of authenticity and guarantee | Compatible with single vision and progressive lenses | Square frame | Classic silhouette | Dimensions & fit: Lens width: 52 mm | Lens height: 44 mm | Frame width: 121 mm | Temple length: 140 mm | Medium fit (52 mm lens width) | Composition & care: Acetate | Wipe lenses with the supplied cleaning cloth and store in the original case. Avoid solvents and abrasive cleaners.