Artline ND + R Permanent Marker is a type of permanent marker used for writing on various surfaces such as paper, cardboard, plastic, metal, glass, and more. These markers are typically waterproof and fade-resistant once dried. They are commonly used in arts and crafts, as well as for everyday purposes like labeling items. Artline NDR Permanent Markers are available in various colors and tip thicknesses for different writing needs. Artline NDR Permanent Marker has several useful features: Permanent Ink: Waterproof and fade-resistant ink once dried. Versatile: Can be used on various surfaces such as paper, cardboard, plastic, metal, and glass. Quick Drying: Dries quickly after use, reducing the risk of smudging or smearing. Variety of Colors: Available in a range of colors for diverse writing needs. Durable Tip: Long-lasting marker tip that is resistant to damage. Fade-Resistant: Resistant to fading over time. Non-Toxic: Typically safe to use and does not contain harmful substances.