Guess Square Optical Frame is a full-rim, square eyeglass frame with a glossy finish, designed for everyday wear and compatible with prescription lenses. Key attributes: Black | Nero | Acetate | Compatible with prescription lenses | Includes protective case and cleaning cloth | Square shape | Full-rim frame | Gloss finish | Dimensions & fit: Lens width: 53 mm | Composition & care: Acetate | Clean lenses with a microfiber cloth; store in the supplied protective case.