Ray-Ban Optics Optical Frame pairs a polished acetate square silhouette with everyday versatility. The Black frame refines casual and smart looks and ships with the original case, cleaning cloth, certificate of authenticity and guarantee. Key attributes: Black | Acetate | Durable acetate construction | Includes original case | Cleaning cloth included | Certificate of authenticity included | Guarantee included | Square silhouette | Key bridge design | Polished acetate finish | Dimensions & fit: Lens width: 54 mm | Bridge width: 18 mm | Regular fit — suits medium to larger face sizes | Composition & care: Acetate | Wipe lenses with a soft cloth. Use lens cleaner for stubborn smudges. Store in the included case.