Set of 6 Dual Brush Pen colors. Flexible brush tip and fine tip in one marker. Brush tip works like a paintbrush to create fine, medium or bold strokes; fine tip gives consistent lines. Dual Brush Pens are ideal for artists and crafters. The water-based ink is blendable and the resilient nylon brush retains its point stroke after stroke. Ideal for coloring, fine art, illustrations, doodling, journaling, hand lettering and more. Water-based, Blendable, Acid-free, odorless. Tips self-clean after blending. For best results, use a smooth, non-textured paper. Colours included: 555 Ultramarine, 535 Cobalt Blue, 493 Reflex Blue, 443 Turquoise, 452 Process Blue, 451 Sky Blue.