Ray-Ban RY1531 Eyeglasses pair a square acetate frame with clear lenses for everyday wear. The model is designed for reliable, prescription-ready use with a durable construction. Key attributes: Black | Acetate | Durable frame | Clear lenses | Compatible with prescription lenses | Square shape | Full-rim frame | Dimensions & fit: Lens width: 48 mm | Bridge width: 16 mm | Temple length: 130 mm | One size | High bridge fit | Composition & care: Acetate | Clean with a soft, dry cloth; store in a protective case when not in use.