Marker set for whiteboards. Permanent markers in multiple colors. Line width: approximately 2 mm or 5 mm. Smudge-proof and water-resistant on almost all surfaces. Lightfast and low-odor. Takes several days to dry out without a cap. Set includes 6 different colors. The Lumocolor Permanent Marker 350 is excellent in terms of smudge and water resistance on nearly all surfaces. It dries in seconds, making it ideal for left-handed users, and contains vibrant, low-odor ink that is lightfast. The PP barrel and cap ensure a long lifespan, and it can remain uncapped for days without drying out. The automatic pressure equalization prevents the pen from leaking on airplanes.