The Karin Brushmarker PRO line features 60 colors, a blender brush, and 12 fluorescent colors, while the DécoBrush line features 10 metallic based paint markers. Each is equipped with a Japanese super durable and flexible nylon brush style nib. The brush marker holds 2.4ml of water-based, non-toxic dye-based color. Karin markers are designed to create smooth transitions from one color to another using several techniques. They are perfect for illustration, watercolor techniques, hand-lettering, craft projects, and more.