This Aquamarine Blue ZIG Clean Color Real Brush Marker is from Kuretake. This amazing marker is a watercolor brush and can be used for illustration, design, lettering, and Manga. This maker is great for blending with water or mixing with other real brush colors when blending. This marker has a flexible and high quality tapered tip and a safety cap. There are many ways to use this marker. You can wet it with a water brush to shade. You can hold the marker at an angle to color wide areas. You can hold the marker straight up to draw a thin line. You can wet the tip of the marker with water to produce multiple gradations of one color. You can also mix the colors of these markers. First, you apply one color and before it dries, add another color over it to create a color gradation. You can also apply a darker colored ink directly onto the tip of a lighter colored marker to create a gradation when you draw with the light color. No matter how you use it, you will fall in love with this water coloring marker.