Niji Waterbrush, Large RoundWater is at your fingertips with these inventive brushes. If simplicity, elegance and flow are what you seek in a watercolor brush then the Niji Waterbrush is for you. It is a brush and water container in one. Water is stored in the hollow plastic handle and is released through the bristles with just a squeeze. Waterbrushes provide a simpler way of watercoloring on the go. The mini brush has a short handle for versatility. The small, medium, large and flat brushes have long barreled handles.