Pentel Set of 4 Nature Brush Sign Pens Soft tip brush. Strong quality tip with metal ring. The flexible tip allows making fine to thick line traces depending on the pressure exerted on the tip. Ideal for sketches, drawings, sketches, illustrations, sleeves, calligraphy. Watercolour ink. Excellent for a variety of techniques including, plumage, plotting, sketching, calligraphy and detailed work It will not dry if not covered and can be cleaned with a paper towel. Colour: Olive green, Light brown, Light grey and Burgundy.. Brand: Pentel