The Faber-Castell Art & Graphic Water Brush is a refillable waterbrush pen with synthetic bristles at the tip for superb line control and versatile mark marking potential. Ideal for use with watercolour paints, gouache, artist inks (dye based and acrylic) and water-soluble pencils. Product Information Unscrew, fill with water and start drawing! Perfect in combination with watercolour pencils as well as water soluble colours Suitable for wet-on-wet, glazing and dry-brushing techniques (granulatio