Made from concentrated dyes in a liquid watercolor base, Ecoline Brush Pen Markers are easy to apply, mix cleanly, and adhere well to many surfaces. The brush nib covers large areas or draws fine details. Shares a harmonious color range with Ecoline Liquid Watercolors. - Royal Talens Ecoline Brush Marker Set - Primary Colors, Set of 5Ecoline Brush Marker, 5 CT