Ray-Ban Frank Sunglasses pair a vintage 90s square silhouette with a slim metal frame. Designed for everyday sun protection, they suit casual and city wear. Key attributes: Black | Metal | UV protection | Polarized options available | Compatible with prescription lenses | Includes original case | Square frame | Minimalist 90s-inspired design | Dimensions & fit: Lens width (size 51): 51 mm | Bridge: 20 mm | Temple length: 145 mm | Available lens widths: 48 mm, 51 mm, 54 mm | Available sizes: 48, 51, 54 | Composition & care: Frame: Metal | Lenses: Crystal