With these water-soluble Aqua Markers, you can easily create a whole range of stunning watercolour effects. Each pen is dual-tipped, combining a flexible brush for loose, broad coverage with an ultra-fine tip for outlining and detailing. Aqua Marker's quality water-based dyes deliver smooth bright colours that can be easily diluted down and blended with water. So they're perfect for watercolour-style sketching on the move. Or for producing stunning background effects and beautiful translucent washes of colour. Brush and Ultra-Fine nibs, for smooth coverage and detailing. Water-based for a range of watercolour and distress effects.