Dior 30Montaigne B6I Sunglasses pair the 30Montaigne family’s refined hardware with a low butterfly-oval silhouette, designed for stylish everyday sun protection and city wear. Key attributes: Black | Acetate | 100% UV protection | Acetate front with metal temples | Polycarbonate lenses | Engraved Christian Dior signature on temple interior | Lenses cannot be graduated (non-prescription) | Butterfly / oval silhouette | CD logo hinge detail | Low butterfly-square influence | Dimensions & fit: Lens width: 51 mm | Bridge: 18 mm | Temple length: 130 mm | Composition & care: Frame: Acetate | Temples: Metal | Lenses: Polycarbonate | Clean lenses with the included microfiber cloth and store in the protective case. Avoid abrasive cleaners and prolonged exposure to heat.