Serengeti Black Acetate Sunglasses combine a classic round full-rim acetate frame with photochromatic, polarized mineral-glass lenses for clear, glare‑free vision in changing light. Designed for everyday wear and driving, they include a branded case for safe storage. Key attributes: Black | Acetate | Photochromatic lenses | Polarized | Mineral glass lenses | 100% UVA & UVB protection | Blue-filter | Filter category Two | Branded case included | No spring hinge | Round shape | Full-rim frame | Dimensions & fit: Size 53-20-140 | Lenses width 53 | Bridge width 20 | Temples length 140 | Lenses height 50 | Frame width 140 | Composition & care: Acetate | Mineral glass | Wipe lenses with a microfiber cloth and lens cleaner. Store in the included case. Avoid abrasive cleaners and prolonged exposure to high heat.