Introducing the Staedtler Lumocolor Glasochrom pencil permanent black box 12. This wood-cased permanent coloured pencil is perfect for use on a variety of surfaces including glass, metal, wood, leather, stone, plastic, and even glossy surfaces and paper. Enjoy opaque marking on dark and transparent surfaces with no bleeding through paper. This pencil is colour-intensive, lightfast, odourless, and not water soluble. Cleanup is a breeze, just use a cloth dampened with methylated spirits. Crafted from PEFC certified Timber, this is the ideal companion for your craft and professional projects!