Balmain BPS-144D-57 B-Grand Sunglasses combine a squared acetate frame with dark grey shaded lenses for a refined, everyday shield against glare. Key attributes: Black | Dark grey | Acetate | Shaded lenses | Titanium screw hinges | Straight branded temples | Lenses not suitable for prescription | Squared silhouette | Full-rim acetate frame | Branded temples | Dark grey shaded lenses | Dimensions & fit: Lens width: 57 mm | Bridge: 14 mm | Temple length: 145 mm | Composition & care: Acetate frame | CR-39 lenses | Clean lenses with a microfiber cloth and lens cleaner. Store in the protective case when not in use. Avoid solvents and abrasive materials.