This water brush set from Yasutomo will make a unique addition to your art supplies. You can use the included brushes with watercolors or inks to create beautiful strokes in your paintings. Details: Includes assorted tip sizes 3 brushes PP, sponge and PET For use with water soluble paints, watercolors and inks Contents: Fine brush (3 mm) Medium brush (5 mm) Flat brush (8 mm)