The Karin Brushmarker Pro line features 60 colors, a blender brush and four fluorescent colors, while the DécoBrush line features 10 metallic based paint pigments. Each is equipped with a Japanese super durable and flexible nylon brush style nib. The brushmarker 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 a number of techniques. They are perfect for illustration, watercolor techniques, hand-lettering, craft projects, and more.