Kuboraum Maske K33 is a mask-inspired acetate optical frame in a matte black finish, crafted for a bold, structured look and prescription use. Key attributes: Black | Acetate | Prescription-ready | Demo lenses included | Square shape | Full-rim frame | Mask-inspired silhouette | Hand-finished matte finish | Dimensions & fit: Lens width 53 mm | Bridge 22 mm | Temple 145 mm | Composition & care: Acetate | Wipe clean with a soft cloth.