Chanel Square Sunglasses combine a bold acetate square frame with polarized lenses for effective glare reduction and everyday UV protection. Iconic gold CC detailing and a chain accent give a refined finish that suits both casual and dress looks. Key attributes: Black | Acetate | Polarized lenses | 100% UVA/UVB (UV400) protection | Includes original case | Includes cleaning cloth | Includes certificate of authenticity and guarantee | Square frame | Gold CC logo hardware | Chain detail on temples | Dimensions & fit: Lens width: 51 mm | Lens height: 39 mm | Bridge width: 22 mm | Temple length: 140 mm | Frame width: 139 mm | Composition & care: Acetate | Wipe lenses with the included cleaning cloth; store in the original case; avoid abrasive cleaners and solvents.