Ray-Ban Bill Sunglasses feature a bold square acetate frame and protective lenses, combining a statement retro silhouette with everyday sun protection. Key attributes: Black | Nero | Acetate | 100% UVA & UVB protection | Available with polarized lenses | Gradient and mirrored lens options | Includes protective case and cleaning cloth | Durable full-rim construction | Square full-rim frame | Bold retro silhouette | Available in multiple frame finishes | Dimensions & fit: Lens width: 56 mm | Lens width: 60 mm | Bridge width: 14 mm | Temple length: 145 mm | Medium to wide fit | Available in two sizes for tailored fit | Composition & care: Acetate | Wipe lenses with a soft microfiber cloth and store in the protective case.