▶ Twin Marker: Wide tip for coloring (3mm-6mm), fine tip for contouring (1mm-2mm). ▶ 24/30/60 Vibrant Colors: 24/30/60 different colors, allowing you to create various sketches and colorful patterns, it is the best choice for students, artists,hobbyist,students, craftsmen and beginners. ▶ Good Quality: Our markers are made of high quality ink and material, Inks dry quickly, Easily layer and mix different colors without worrying about smudges and blotches. ▶ Color-Coded Caps: The color-coded caps allow for ease in organization and use in identifying colors, and it comes with a carrying bag, which is convenient to carry and manager your markers. ▶ Wide Application: it can be used to draw/sketch in glass, metal, photos, paper and so on.