Princeton Artist Brush Neptune, Brushes for Watercolor Series 4750, Dagger Synthetic Squirrel, Size 25 A beautiful range of shapes including mottlers and quills with rich wood tones and sea glass aquarelle handles Our softest and thirstiest synthetic brush, delivering oceans of color More durable and affordable than squirrel Soft and Supple with even release of color The dagger striper is a unique brush with a fine tip and gradually curving, angled edge.