Ray-Ban Bill Sunglasses pair a color-block acetate frame with polyamide lenses to deliver reliable UV400 protection. They are offered in two lens sizes for a precise, compact fit. Key attributes: Multicolor | Blue | Acetate | UV protection (UV400) | Filter category 2 | Full-rim frame | Includes protective case | Available in two lens sizes (49 mm, 52 mm) | Square silhouette | Color-block top frame | Grey/blue lenses | Dimensions & fit: 49-13-130 (lens-bridge-temple, mm) | 52-13-130 (lens-bridge-temple, mm) | Compact fit | Available in multiple sizes for a tailored fit | Composition & care: Acetate frame | Polyamide lenses | Wipe lenses with a microfiber cloth; clean with lens cleaner; store in protective case.