Persol Senna Series Sunglasses feature a bold square acetate frame with green glass lenses, designed for clear sun protection and structured everyday wear. Key attributes: Black | Green | Acetate | Non-folding | Square frame | Full-rim | Dimensions & fit: Lens width: 55 mm; also available in 57 mm | Bridge width: 20 mm | Temple length: 140 mm | Lens height: 45 mm | Total frame width: 142 mm | Composition & care: Acetate | Glass | Clean lenses with a microfiber cloth. Avoid abrasive cleaners and store in a protective case when not in use.