The metallic, pigment based ink in the Artline 5980 is acid free, making it ideal for craft projects, invitations and scrapbooking. The ink will not fade or deteriorate over time. | Roller ball nib with 0.7 mm line width | Made of plastic barrel | Ink is Xylene free and ROHS compliant | Stick type pen | Hard wearing, tungsten carbide ball for smooth writing