The Derwent Push Button Waterbrush Assorted Set of 4 comes with an assorted point and chisel tip waterbrushes for a wide range of brush strokes. Each brush has a durable nylon fibre tip which holds shape and point for continuous use and comes with a protective cap.  They also have a large water barrel with push button for easy to control water release to avoid drips and spills.  These brushes are ideal for use with watersoluble pencils and paints such as watercolour and inks. They are portable and convenient for indoor and outdoor use.