Marker suitable for marking and labeling smooth and transparent surfaces such as Petri dishes, reaction vessels, test tubes, Suitable for marking and labeling Petri dishes. The ink is completely odorless, dries very quickly, and is smudge-proof, water-resistant, and light-resistant. Does not contain xylene or toluene. Produces permanent markings on plastic surfaces; can be removed from glass surfaces with acetone, ethanol, or isopropanol. Its use in laboratory environments has been tested and certified by TÜV Saarland. The writing is extremely wear-resistant, remaining visible on aluminum plates up to 500°C and in liquid nitrogen down to -183°C. Recommended by Clariant, one of the world s leading chemical companies. The rounded tip has a line width of 1 mm. The product is only available in black. Thanks to the practical clip on the cap, the marker does not roll away and can be attached to a pocket.