Aqua Brush Duo is a set of double-ended felt-tip pens, for artists, designers, and enthusiasts of all ages. Extremely strong fibre tips that do not fray and will produce the same high-quality results for a long time. Broad tip which allows brush-like techniques, similar to painting. Fine tip helps to create thin, fine lines meaning precise drawings are easy to create. Inks are water-based, and can be mixed like water-colours, you just need to apply the colours to a shiny surface and mix them with water and paintbrush to create some beautiful effects. Free from hazardous solvents and are lightfast.