Durable Nylon Brush: These pens have nylon brush tips which are soft and durable. It allows you to create fine, medium and daring strokes along with sleek consistent lines

Easy to Squeeze Barrel: Control the ink or water flow with just a squeeze of the barrel. Blend with water or add ink to barrel for fast, easy and fun painting

Easy-to-clean Brush Pen: These brush pens are easy to clean, just washing it under water after used. Note: This set of water brush pens are not come with water in it. You can fill up the barrel by yourself to create a watercolor painting

Versatile Brush Pen: Use Mudder water brush pens with watercolor or ink to create beautiful paintings or calligraphy. Great for solid colors or powdered pigment. Perfect for beginners, professional person.Best gift for painting enthusiasts, kids, friends, etc.