Kuboraum K3 Frame is an acetate optical frame that pairs a bold geometric silhouette with defined temple lines, ideal for prescription use and everyday style. Key attributes: Black | Acetate | Compatible with prescription lenses | Includes protective case | Square frame | Straight arms with curved tips | Geometric silhouette | Dimensions & fit: Lens width: 52 mm | Bridge: 19 mm | Temple length: 145 mm | Composition & care: 100% acetate