These water brush pens have superior quality nylon brush tips which are soft, durable and long lasting and excellent color control with brush strokes. These brushes are great for solid colors or powdered pigment, use with watercolor crayons, markers, and pencils to spread and smooth colors. Made with high quality nylon hair brush tips that holds its shape and does not drizzle, spread or smear. It is a good companion for painting, whether you are beginner, professional artist, painting enthusiast or professional person. Pen head material : High grade quality nylon hair brush tips Easy to clean : Just clean it with water after use. Durability : Soft durable and long lasting Package Includes : 3 Sizes set of water brush pens.