Dual Brush Pen Set is ideal for coloring, fine art, illustrations, doodling, journaling, hand lettering and more. Design features a 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. The water-based ink is blendable, acid-free and odorless. The resilient nylon brush retains its point stroke after stroke. Tips self-clean after blending. Set includes nine colors and a colorless blender pen. Bright colors include Rubine Red, Hot Pink, Orange, Process Yellow, Chartreuse, Willow Green, Reflex Blue, Purple and Imperial Purple.