Discover the versatility of this professional 6-piece water brush pen set, perfect for watercolor painting, calligraphy, and various artistic applications. Each transparent pen features a squeezable barrel that precisely controls water flow to the brush tip. The set includes six different tip sizes ranging from fine to broad (0.3cm to 1.0cm width), allowing for diverse stroke styles and techniques. The durable nylon brush tips maintain their shape while providing smooth, consistent flow. These portable tools eliminate the need for separate water containers, making them ideal for both studio work and outdoor sketching. The lightweight design and compact size (10cm length) ensure comfortable handling during extended creative sessions. Perfect for both beginners and experienced artists looking to enhance their watercolor techniques.