Tiffany & Co. TF4239U Square Sunglasses pair a classic square acetate frame with refined gradient-lens options for polished everyday sun protection and style. Key attributes: Black | Acetate | Gradient lenses | Supplied with case and cleaning cloth | Square frame | Gradient lens option | Dimensions & fit: Lens width: 52 mm | Lens height: 44 mm | Bridge: 17 mm | Temple length: 140 mm | Composition & care: Acetate | Wipe lenses with a soft cloth; store in the supplied case.