Staedtler Lumocolor 236 mærkekridt permanent Ø12mm rødumocolor permanent omnigraph 236 Waterproof universal crayon Product information For opaque marking on almost all surfaces even on dark or transparent ones, e. g. paper, plastic, metal, glass, wood, leather and stone Also for use on wet wood Waterproof Does not bleed through paper Length 113 mm, hexagonal shape Crayon diameter approx. 12 mm