KINGART® Studio Twin-Tip™ Permanent Alcohol-Based Sketch Markers, Storage/Travel Case, Set of 36 Unique Colors, Perfect for Illustration Adult Coloring Sketching and Card Making * MULTIPLE COLORS: 36 color set provides 36 unique eye-catching and vibrant colors including all the primary colors you might need for your art creation, and it can be blended nicely for added dimension to your artwork.  * UNLIMITED USES: Our markers feature a 4mm broad chisel tip for quick coverage and a 1mm fine bullet tip for detailed lines highlight. It's ideal for coloring, drawing, sketching, illustrating, shading, designing, rendering, comics, adult coloring books and more.  * EASY TO USE: Each Marker Cap is marked with color code at both ends makes it easier to choose right color.  * Design: Small Round barrel design makes it comfortable to hold by kids as well as adults. And there also have ridges on the cap to prevent the markers from rolling off on smooth surfaces. In order to prevent the ink from bleeding in use, the