CRAFTER'S COMPANION-Spectrum Noir Marker Sets. These alcohol based markers make a great addition to any craft room or design studio. Each pen is double-ended with a broad chisel nib for large area fills and a fine bullet tip for detailed work. The pens are refillable and the barrels are square so they won't roll around your work area. Plus they are fast-drying and won't bleed. They are a great tool for artists; paper crafters; rubber stampers; designers; architects; and anyone who wants to color. This package contains six markers in coordinating colors. Available in a variety of color sets: each set sold separately. Non-toxic. Imported.