Lumocolor guarantees professional and effective presentation on all overhead transparencies Not just an OHP pen! - can be used on most other glossy surfaces Ventilated caps in accordance with ISO 11540 Refillable Barrel and cap made from PP for long service life and low environmental impact No toxic heavy metals such as cadmium or lead-based colouring agents are used for the colouring of plastic STAEDTLER does not use xylene and toluene as ink ingredients Dry Safe ink increases product life span Environmentally friendly manufacturing process Reusable box, phthalate-free material Superfine 0.4mm nib Black, blue, green and red permanent ink.FeaturesUniversal pen for use on almost all surfacesSuitable for overhead projectionAlso suitable for use on CDs/DVDsExcellent smudge-proof and waterproof qualities on almost all surfacesDries in seconds, therefore ideal for left-handed usersPermanent, low-odour inkWeatherproof colour blackStand-up STAEDTLER boxPP barrel and cap guarantee long service lifeDRY SAFE - can be left uncapped for days without drying up (Test ISO 554)Airplane-safe - automatic pressure equalization prevents pen from leaking on board aircraftXylene and toluene-free inkSuperb colour brilliancyLine width superfine approx. 0.4 mm