Yves Saint Laurent Vintage Pre-owned Plastic Sunglasses. Condition: Good, but used — a good but used item will have been worn and potentially washed but will be in good condition and well taken care of, with visible wear and tear and minor defects that must be shown in photos. Key attributes: Black | Plastic | Vintage style | Dimensions & fit: Standard fit | Composition & care: Plastic | Wipe clean with a soft cloth. Avoid abrasive cleaners and prolonged exposure to heat. Store in a protective case when not in use.