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 3 assorted tip sizes 12 sets (3 brushes per set, 36 total brushes)Polypropylene, sponge and plastic For use with water soluble paints, watercolors and inksSet Contents: 3mm fine brush 5mm medium brush 8mm flat brush