The Ecoline Brush Pen Marker Set is a pack of 5 pens that consists of transparent watercolour inks with brush nibs in a variety of colours that are perfect for all your drawing, illustration, and hand lettering needs. This set is ready for use straight away and features 5 colours in warm grey, cold grey, light warm grey, deep grey, and grey.The ink from these pens can be diluted with water or mixed together, and as the inks are not waterproof, you can alter your pieces of work any time!Features & Benefits Contains 5 paint marker pens Use with card or paper Can be diluted or mixed with other colours