Kuboraum K26 Mask is a sculptural acetate optical frame from Kuboraum, designed as a bold, square full‑rim silhouette. It suits prescription or clear lenses and works as a statement everyday frame. Key attributes: Black | Bs | Acetate | Clear lenses included | Compatible with prescription/graduated lenses | Adjustable lenses | Square geometric frame | Mask-inspired silhouette | Full-rim construction | Dimensions & fit: Lens width: 54 mm | Bridge: 17 mm | Temple length: 145 mm | Large square frame | Suitable for round, square and oblong face shapes | Composition & care: Acetate