The Dual Metallic Brush pen is filled with vivid, opaque metallic ink that is perfect for creating eye-catching brush lettering, festive accents on holiday and birthday cards, and adding decorative touches to your artwork. This pen features high-quality nylon bristles that offer flexible control, allowing for a range of line thicknesses from fine to broad. The convenient rear push button helps control ink flow, making it easy to achieve consistent strokes with minimal effort.