These women's glasses have a triangular shape. The main material used in the manufacture of these glasses is metal. The temples of these glasses are made of acetate. 100% UV Protection. Anti-reflective lenses. Includes certificates of authenticity and warranty. Measures: Lens height: 41 mm. Lens width: 55 mm. Bridge: 13 mm. Temples: 135 mm. Composition: Metal Care: Use a soft, clean microfiber cloth to clean your sunglasses. This type of cloth will not scratch the lenses. Avoid using abrasive cleaning products, detergents, alcohol or acetone, as they can damage lenses and anti-reflective treatments.