Permanent universal marker B is suitable for almost all surfaces. It offers excellent smudge and water resistance on nearly all surfaces, with a line thickness of 1 or 2.5 mm. This marker is suitable for overhead projection and dries within seconds, making it ideal for left-handed users as well. It features permanent, low-odor ink with high color brilliance. The barrel and cap are made of PP, ensuring a long lifespan. Additionally, it prevents ink leakage on airplanes through automatic pressure equalization. The dry safe feature allows it to be left uncapped for days without drying out.