Sassi Art Brush Set 3pcs Ultra mini brush. Uniquely designed for the finest detailing tasks. 3different lengths of art brushes. Short-Use for intricate work. It is especially suitable for drawing delicate flowers. Flower petals can easily be painted by laying the brush flat and lifting straight up. Medium-A shorter version of the stripper brush. Use for creating the same vertical and horizontal lines but in shorter strokes. Use for drawing wisps and netting. Long-Efficient for elongated lines, Use for creating long vertical or horizontal lines. The width is determined by amount of paint on the bristles. 9mm / 16mm / 24mm - 3different size of Acrylic brushes.