Ray-Ban Optical Frame combines classic proportions with a blue acetate D-frame for versatile everyday wear. The RB5433 style is prescription-ready and pairs clean lines with practical detailing for daily use. Key attributes: Blue | Acetate | Durable acetate construction | Includes original case and cleaning cloth | Certificate of authenticity and manufacturer guarantee | Prescription-ready frame | D-frame | Full rim | Modern classic style | Dimensions & fit: Lens width: 50 mm or 52 mm | Bridge width: 19 mm | Temple length: 140 mm | High bridge fit | Available in lens widths 50 mm and 52 mm (50/19/140, 52/19/140) | Composition & care: Acetate | Wipe lenses and frame with a soft cloth; avoid harsh chemicals; store in the provided case when not in use.