Tombow Dual Brush Pens #5 - Yay Sorbet and Very Berry . Our more advanced vibrant, blendable Dual Brush Pens are the perfect foundation for any project. Versatile and vibrant water-based colors, easy blending, with self-cleaning tips, flexible brush tip + smooth fine tip, odorless, non-bleed, acid-free ink. Great for beginners and expert artists. Dual Brush Pens feature 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.